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Dave Kang's Stock Ratings
B. Riley Securities Analyst
Dave Kang is an analyst at B. Riley Securities. Analyst ratings are quantitative and qualitative analysis of a stock by Wall Street stock rating analysts. Stock ratings consist of expected future growth, current stock valuation and macroeconomic trends. Updated 09/19/2025
Overall Average Return
32.6%
Smart Score
Overall Average Return Percentile
87th
Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
09/18/2025 | ADTN | Adtran Holdings | $9.38 | 70.58% | → $16 | Initiates | → Buy | |||
09/05/2025 | CIEN | Ciena | $138.04 | -18.14% | $90 → $113 | Downgrade | Buy → Neutral | |||
08/19/2025 | FN | Fabrinet | $378.11 | -41.82% | $184 → $220 | Maintains | Neutral | |||
08/13/2025 | LITE | Lumentum Holdings | $171.73 | -51.67% | $73 → $83 | Maintains | Neutral | |||
08/08/2025 | VIAV | Viavi Solutions | $12.31 | -2.52% | $11 → $12 | Maintains | Neutral | |||
07/10/2025 | AXTI | AXT | $3.96 | 8.59% | $4.5 → $4.3 | Maintains | Buy | |||
06/06/2025 | CIEN | Ciena | $138.04 | -34.8% | $89 → $90 | Maintains | Buy | |||
06/04/2025 | LITE | Lumentum Holdings | $171.73 | -57.49% | $65 → $73 | Maintains | Neutral | |||
05/07/2025 | LITE | Lumentum Holdings | $171.73 | -62.15% | $75 → $65 | Maintains | Neutral | |||
05/06/2025 | FN | Fabrinet | $378.11 | -51.34% | $176 → $184 | Maintains | Neutral | |||
05/02/2025 | VIAV | Viavi Solutions | $12.31 | -10.64% | $12 → $11 | Maintains | Neutral | |||
05/02/2025 | AXTI | AXT | $3.96 | 13.64% | $6 → $4.5 | Maintains | Buy | |||
04/30/2025 | RBBN | Ribbon Communications | $3.99 | 50.44% | $7.5 → $6 | Maintains | Buy | |||
04/04/2025 | FN | Fabrinet | $378.11 | -53.45% | $178 → $176 | Upgrade | Sell → Neutral | |||
03/12/2025 | CIEN | Ciena | $138.04 | -35.53% | $97 → $89 | Maintains | Buy | |||
02/21/2025 | AXTI | AXT | $3.96 | 51.52% | $5.5 → $6 | Reiterates | Buy → Buy | |||
02/07/2025 | LITE | Lumentum Holdings | $171.73 | -56.33% | $62 → $75 | Maintains | Neutral | |||
01/31/2025 | VIAV | Viavi Solutions | $12.31 | -2.52% | $10 → $12 | Maintains | Neutral | |||
11/20/2024 | FN | Fabrinet | $378.11 | -52.92% | $194 → $178 | Downgrade | Neutral → Sell | |||
11/08/2024 | LITE | Lumentum Holdings | $171.73 | -63.9% | $50 → $62 | Maintains | Neutral | |||
11/05/2024 | FN | Fabrinet | $378.11 | -48.69% | $196 → $194 | Maintains | Neutral | |||
10/31/2024 | EXTR | Extreme Networks | $22.71 | -7.53% | $18 → $21 | Maintains | Buy | |||
10/18/2024 | COHR | Coherent | $107.00 | -19.63% | $86 → $86 | Downgrade | Buy → Neutral | |||
09/13/2024 | AVNW | Aviat Networks | $24.21 | 73.48% | $55 → $42 | Maintains | Buy | |||
08/20/2024 | FN | Fabrinet | $378.11 | -48.16% | $171 → $196 | Maintains | Neutral | |||
08/16/2024 | COHR | Coherent | $107.00 | -19.63% | $78 → $86 | Maintains | Buy | |||
08/15/2024 | LITE | Lumentum Holdings | $171.73 | -70.88% | $40 → $50 | Maintains | Neutral | |||
08/09/2024 | VIAV | Viavi Solutions | $12.31 | -30.95% | $9 → $8.5 | Maintains | Neutral | |||
08/05/2024 | INFN | Infinera | — | — | $9 → $6.65 | Maintains | Buy | |||
06/07/2024 | CIEN | Ciena | $138.04 | -52.19% | $68 → $66 | Maintains | Buy | |||
05/15/2024 | INFN | Infinera | — | — | $9 → $9 | Maintains | Buy | |||
05/07/2024 | LITE | Lumentum Holdings | $171.73 | -76.71% | $41 → $40 | Maintains | Neutral | |||
05/07/2024 | FN | Fabrinet | $378.11 | -54.78% | $173 → $171 | Maintains | Neutral | |||
05/02/2024 | AVNW | Aviat Networks | $24.21 | 127.18% | $59 → $55 | Maintains | Buy | |||
05/02/2024 | EXTR | Extreme Networks | $22.71 | -33.95% | $14 → $15 | Maintains | Buy | |||
04/25/2024 | RBBN | Ribbon Comms | $3.99 | 62.98% | $6 → $6.5 | Maintains | Buy | |||
04/15/2024 | EXTR | Extreme Networks | $22.71 | -38.35% | → $14 | Upgrade | Neutral → Buy | |||
04/05/2024 | AXTI | AXT | $3.96 | 38.89% | $3.8 → $5.5 | Maintains | Buy | |||
03/07/2024 | INFN | Infinera | — | — | $7.5 → $7.5 | Maintains | Buy | |||
02/23/2024 | AXTI | AXT | $3.96 | -4.04% | $2.4 → $3.8 | Upgrade | Neutral → Buy | |||
02/09/2024 | LITE | Lumentum Holdings | $171.73 | -76.13% | $42 → $41 | Maintains | Neutral | |||
02/07/2024 | COHR | Coherent | $107.00 | -30.84% | $54 → $74 | Maintains | Buy | |||
02/07/2024 | AVNW | Aviat Networks | $24.21 | 143.7% | $60 → $59 | Maintains | Buy | |||
02/06/2024 | FN | Fabrinet | $378.11 | -54.25% | $158 → $173 | Maintains | Neutral | |||
02/01/2024 | EXTR | Extreme Networks | $22.71 | -38.35% | $17 → $14 | Maintains | Neutral | |||
12/08/2023 | CIEN | Ciena | $138.04 | -50.74% | $67 → $68 | Maintains | Buy | |||
11/07/2023 | FN | Fabrinet | $378.11 | -58.21% | $129 → $158 | Maintains | Neutral | |||
10/26/2023 | RBBN | Ribbon Comms | $3.99 | 50.44% | $7 → $6 | Maintains | Buy | |||
10/11/2023 | COHR | Coherent | $107.00 | -52.34% | $37 → $51 | Upgrade | Neutral → Buy | |||
09/01/2023 | CIEN | Ciena | $138.04 | -51.46% | $60 → $67 | Maintains | Buy | |||
08/24/2023 | AVNW | Aviat Networks | $24.21 | 143.7% | $58 → $59 | Maintains | Buy | |||
08/18/2023 | LITE | Lumentum Holdings | $171.73 | -73.8% | $46 → $45 | Maintains | Neutral | |||
08/11/2023 | LUNA | Luna Innovations | $0.94 | 1123.4% | $12 → $11.5 | Maintains | Buy | |||
08/03/2023 | EXTR | Extreme Networks | $22.71 | 32.1% | $25 → $30 | Downgrade | Buy → Neutral | |||
04/28/2023 | AXTI | AXT | $3.96 | -6.57% | $5 → $3.7 | Maintains | Neutral | |||
04/19/2023 | EXTR | Extreme Networks | $22.71 | 5.68% | → $24 | Reiterates | → Buy | |||
04/18/2023 | VIAV | Viavi Solutions | $12.31 | -10.64% | $13.5 → $11 | Maintains | Neutral | |||
03/07/2023 | CIEN | Ciena | $138.04 | -47.84% | $69 → $72 | Maintains | Buy | |||
02/17/2023 | DZSI | DZS | — | — | $28 → $23 | Maintains | Buy | |||
02/16/2023 | RBBN | Ribbon Comms | $3.99 | 75.51% | $6 → $7 | Maintains | Buy | |||
02/10/2023 | LITE | Lumentum Holdings | $171.73 | -61.57% | $90 → $66 | Downgrade | Buy → Neutral | |||
02/07/2023 | FN | Fabrinet | $378.11 | -69.59% | $110 → $115 | Maintains | Neutral | |||
02/03/2023 | VIAV | Viavi Solutions | $12.31 | 9.67% | $14.5 → $13.5 | Maintains | Neutral | |||
02/02/2023 | AVNW | Aviat Networks | $24.21 | 139.57% | $57 → $58 | Maintains | Buy | |||
11/11/2022 | LUNA | Luna Innovations | $0.94 | 910.64% | $11.5 → $9.5 | Maintains | Buy | |||
11/04/2022 | VIAV | Viavi Solutions | $12.31 | 17.79% | $21 → $14.5 | Downgrade | Buy → Neutral | |||
10/24/2022 | RBBN | Ribbon Comms | $3.99 | 50.44% | $6.5 → $6 | Maintains | Buy | |||
10/04/2022 | AXTI | AXT | $3.96 | 64.14% | $8 → $6.5 | Maintains | Neutral | |||
09/06/2022 | CIEN | Ciena | $138.04 | -53.64% | $67 → $64 | Maintains | Buy | |||
08/24/2022 | AVNW | Aviat Networks | $24.21 | 131.31% | $55 → $56 | Maintains | Buy | |||
06/03/2022 | CIEN | Ciena | $138.04 | -51.46% | $65 → $67 | Upgrade | Neutral → Buy | |||
05/04/2022 | INFN | Infinera | — | — | $12.5 → $11 | Maintains | Buy | |||
05/04/2022 | DZSI | DZS | — | — | $25 → $24 | Maintains | Buy | |||
05/03/2022 | FN | Fabrinet | $378.11 | -74.61% | $100 → $96 | Maintains | Neutral | |||
02/14/2022 | DZSI | DZS | — | — | $22 → $25 | Maintains | Buy | |||
01/24/2022 | INFN | Infinera | — | — | $10 → $11.5 | Upgrade | Neutral → Buy | |||
11/02/2021 | FN | Fabrinet | $378.11 | -74.61% | $85 → $96 | Maintains | Neutral | |||
08/17/2021 | FN | Fabrinet | $378.11 | -77.52% | $79 → $85 | Maintains | Neutral | |||
07/22/2021 | AVNW | Aviat Networks | $24.21 | 106.53% | → $50 | Initiates | → Buy | |||
05/13/2021 | LITE | Lumentum Holdings | $171.73 | -35.36% | $126 → $111 | Maintains | Buy | |||
03/26/2021 | IIVI | II-VI | — | — | → $88 | Upgrade | Neutral → Buy | |||
02/05/2021 | IIVI | II-VI | — | — | $47 → $72 | Maintains | Buy | |||
02/02/2021 | FN | Fabrinet | $378.11 | -80.16% | $71 → $75 | Maintains | Neutral | |||
10/06/2020 | AXTI | AXT | $3.96 | 66.67% | → $6.6 | Downgrade | Buy → Neutral | |||
07/15/2020 | EXTR | Extreme Networks | $22.71 | -66.97% | → $7.5 | Initiates | → Buy | |||
05/13/2020 | INFN | Infinera | — | — | $11 → $9.5 | Maintains | Buy | |||
05/13/2020 | CIEN | Ciena | $138.04 | -63.05% | $54 → $51 | Downgrade | Buy → Neutral | |||
05/12/2020 | IIVI | II-VI | — | — | $28.5 → $35 | Maintains | Neutral | |||
05/08/2020 | IPHI | Inphi | — | — | $86 → $91 | Maintains | Neutral | |||
05/07/2020 | VIAV | Viavi Solutions | $12.31 | 29.98% | $16.5 → $16 | Maintains | Buy | |||
05/06/2020 | LITE | Lumentum Holdings | $171.73 | -42.35% | $96 → $99 | Maintains | Buy | |||
05/05/2020 | IPHI | Inphi | — | — | $74 → $86 | Maintains | Neutral | |||
05/01/2020 | NPTN | NeoPhotonics | — | — | $10.5 → $11.5 | Maintains | Buy | |||
05/01/2020 | ENPH | Enphase Energy | $38.37 | 6.85% | $39 → $41 | Maintains | Neutral | |||
04/23/2020 | AXTI | AXT | $3.96 | 48.99% | $5.4 → $5.9 | Maintains | Buy | |||
04/13/2020 | VIAV | Viavi Solutions | $12.31 | 34.04% | $17 → $16.5 | Maintains | Buy | |||
04/13/2020 | NPTN | NeoPhotonics | — | — | $9 → $10.5 | Maintains | Buy | |||
04/13/2020 | IIVI | II-VI | — | — | $31 → $28.5 | Maintains | Neutral | |||
03/06/2020 | LUNA | Luna Innovations | $0.94 | 910.64% | $9 → $9.5 | Maintains | Buy | |||
03/06/2020 | CIEN | Ciena | $138.04 | -60.88% | $51 → $54 | Maintains | Buy | |||
03/03/2020 | LUNA | Luna Innovations | $0.94 | 857.45% | $6.8 → $9 | Maintains | Buy | |||
02/20/2020 | AXTI | AXT | $3.96 | 36.36% | $4.7 → $5.4 | Reiterates | → Buy | |||
02/13/2020 | ENPH | Enphase Energy | $38.37 | -8.78% | $28 → $35 | Downgrade | Buy → Neutral | |||
02/13/2020 | ENPH | Enphase Energy | $38.37 | -8.78% | $28 → $35 | Downgrade | Buy → Neutral | |||
01/16/2020 | LITE | Lumentum Holdings | $171.73 | -45.85% | $75 → $93 | Maintains | Buy | |||
01/16/2020 | IPHI | Inphi | — | — | $53 → $72 | Maintains | Neutral | |||
12/06/2019 | EMKR | EMCORE | — | — | $4.2 → $4.7 | Maintains | Buy | |||
09/27/2019 | INFN | Infinera | — | — | $6.5 → $8 | Maintains | Buy | |||
09/18/2019 | NPTN | NeoPhotonics | — | — | → $6.5 | Downgrade | Buy → Neutral | |||
09/06/2019 | CIEN | Ciena | $138.04 | -59.43% | $55 → $56 | Maintains | Buy | |||
08/14/2019 | IIVI | II-VI | — | — | $41 → $39 | Maintains | Neutral | |||
08/02/2019 | IPHI | Inphi | — | — | $45 → $51 | Maintains | Neutral | |||
07/23/2019 | INFN | Infinera | — | — | $4.75 → $6 | Upgrade | Neutral → Buy | |||
06/07/2019 | CIEN | Ciena | $138.04 | -60.16% | $48 → $55 | Maintains | Buy | |||
05/20/2019 | NPTN | NeoPhotonics | — | — | $7.25 → $5.5 | Upgrade | Neutral → Buy | |||
04/02/2019 | EMKR | EMCORE | — | — | — | Upgrade | Hold → Buy | |||
03/06/2019 | CIEN | Ciena | $138.04 | -65.23% | $42.5 → $48 | Maintains | Buy | |||
03/05/2019 | LUNA | Luna Innovations | $0.94 | 431.91% | $4.6 → $5 | Maintains | Buy | |||
02/22/2019 | ACIA | Acacia Communications | — | — | $45 → $50.5 | Downgrade | Buy → Neutral | |||
01/15/2019 | LUNA | Luna Innovations | $0.94 | 389.36% | → $4.6 | Initiates | → Buy | |||
12/06/2018 | NPTN | NeoPhotonics | — | — | $11 → $8.25 | Downgrade | Buy → Neutral | |||
11/13/2018 | LITE | Lumentum Holdings | $171.73 | -56.91% | $88 → $74 | Maintains | Buy | |||
11/09/2018 | EMKR | EMCORE | — | — | $6 → $5.75 | Downgrade | Buy → Neutral | |||
11/08/2018 | AAOI | Applied Optoelectronics | $29.04 | -34.57% | $22 → $19 | Maintains | Neutral | |||
11/05/2018 | NPTN | NeoPhotonics | — | — | $10 → $11 | Maintains | Buy | |||
11/05/2018 | INFN | Infinera | — | — | $9.5 → $6.5 | Maintains | Neutral | |||
11/05/2018 | AAOI | Applied Optoelectronics | $29.04 | -24.24% | $24 → $22 | Maintains | Neutral | |||
11/01/2018 | AXTI | AXT | $3.96 | 114.65% | $10 → $8.5 | Maintains | Buy | |||
10/08/2018 | AAOI | Applied Optoelectronics | $29.04 | -17.36% | $34.5 → $24 | Maintains | Neutral | |||
09/07/2018 | FNSR | Finisar | — | — | $17 → $19 | Maintains | Neutral | |||
09/04/2018 | FNSR | Finisar | — | — | $17.5 → $17 | Maintains | Neutral | |||
09/04/2018 | FN | Fabrinet | $378.11 | — | — | Downgrade | Buy → Neutral | |||
09/04/2018 | IIVI | II-VI | — | — | — | Downgrade | Buy → Neutral | |||
08/31/2018 | CIEN | Ciena | $138.04 | -73.92% | $31.5 → $36 | Maintains | Buy | |||
08/21/2018 | FN | Fabrinet | $378.11 | -86.25% | $50 → $52 | Maintains | Buy | |||
08/16/2018 | FN | Fabrinet | $378.11 | -86.78% | $40 → $50 | Maintains | Buy | |||
08/15/2018 | VIAV | Viavi Solutions | $12.31 | 9.67% | $13 → $13.5 | Maintains | Buy | |||
08/13/2018 | VIAV | Viavi Solutions | $12.31 | 5.61% | $12 → $13 | Maintains | Buy | |||
08/08/2018 | INFN | Infinera | — | — | $10 → $9.5 | Maintains | Neutral | |||
08/08/2018 | IIVI | II-VI | — | — | $49 → $54 | Maintains | Buy | |||
08/08/2018 | AAOI | Applied Optoelectronics | $29.04 | 18.8% | $30.5 → $34.5 | Maintains | Neutral | |||
08/07/2018 | NPTN | NeoPhotonics | — | — | $6.5 → $10 | Upgrade | Neutral → Buy | |||
08/02/2018 | INFN | Infinera | — | — | $12 → $10 | Maintains | Neutral | |||
08/02/2018 | IIVI | II-VI | — | — | $54 → $49 | Maintains | Buy | |||
07/25/2018 | IPHI | Inphi | — | — | $36 → $36.5 | Maintains | Neutral | |||
07/20/2018 | AXTI | AXT | $3.96 | 152.53% | $9 → $10 | Maintains | Buy | |||
07/19/2018 | RMR | RMR Gr | $17.01 | 423.22% | $88 → $89 | Maintains | Neutral | |||
07/19/2018 | IPHI | Inphi | — | — | — | Downgrade | Buy → Neutral | |||
06/01/2018 | CIEN | Ciena | $138.04 | -77.18% | $31 → $31.5 | Maintains | Buy | |||
05/10/2018 | INFN | Infinera | — | — | $13 → $12 | Maintains | Neutral | |||
05/09/2018 | NPTN | NeoPhotonics | — | — | $5.75 → $6.5 | Maintains | Neutral | |||
05/08/2018 | FN | Fabrinet | $378.11 | -89.42% | $38 → $40 | Maintains | Buy | |||
05/08/2018 | INFN | Infinera | — | — | — | Downgrade | Buy → Neutral | |||
05/02/2018 | IIVI | II-VI | — | — | $55 → $54 | Maintains | Buy | |||
04/17/2018 | AXTI | AXT | $3.96 | — | — | Upgrade | Neutral → Buy | |||
04/10/2018 | EMKR | EMCORE | — | — | $6.25 → $5.75 | Maintains | Neutral | |||
03/20/2018 | IIVI | II-VI | — | — | — | Upgrade | Neutral → Buy | |||
03/01/2018 | FNSR | Finisar | — | — | $20 → $18 | Maintains | Neutral | |||
02/22/2018 | AAOI | Applied Optoelectronics | $29.04 | 5.03% | $32 → $30.5 | Maintains | Neutral | |||
02/22/2018 | AXTI | AXT | $3.96 | 108.33% | $8.75 → $8.25 | Maintains | Neutral | |||
02/08/2018 | INFN | Infinera | — | — | $10.75 → $11 | Maintains | Buy | |||
02/08/2018 | IPHI | Inphi | — | — | $43.5 → $40 | Maintains | Buy | |||
01/10/2018 | AAOI | Applied Optoelectronics | $29.04 | 30.85% | → $38 | Initiates | → Neutral | |||
11/29/2017 | FNSR | Finisar | — | — | $30.75 → $22 | Downgrade | Buy → Neutral | |||
11/07/2017 | FN | Fabrinet | $378.11 | -89.42% | $42.5 → $40 | Maintains | Buy | |||
11/07/2017 | INFN | Infinera | — | — | $14 → $12 | Maintains | Buy | |||
11/07/2017 | NPTN | NeoPhotonics | — | — | $5.25 → $5 | Maintains | Neutral | |||
11/03/2017 | ACIA | Acacia Communications | — | — | — | Upgrade | Neutral → Buy | |||
10/26/2017 | AXTI | AXT | $3.96 | 120.96% | $8.5 → $8.75 | Maintains | Neutral | |||
07/26/2017 | IIVI | II-VI | — | — | — | Downgrade | Buy → Neutral | |||
07/21/2017 | VIAV | Viavi Solutions | $12.31 | — | — | Upgrade | Neutral → Buy | |||
06/29/2017 | EMKR | EMCORE | — | — | — | Downgrade | Buy → Neutral | |||
06/22/2017 | INFN | Infinera | — | — | — | Upgrade | Neutral → Buy | |||
04/05/2017 | ACIA | Acacia Communications | — | — | → $60 | Initiates | → Neutral | |||
03/17/2017 | AXTI | AXT | $3.96 | — | — | Downgrade | Buy → Neutral | |||
10/26/2016 | IIVI | II-VI | — | — | — | Upgrade | Neutral → Buy | |||
07/28/2016 | INFN | Infinera | — | — | — | Downgrade | Buy → Neutral | |||
07/15/2016 | INFN | Infinera | — | — | — | Initiates | → Buy | |||
06/27/2016 | VIAV | Viavi Solutions | $12.31 | — | — | Downgrade | Buy → Neutral | |||
03/17/2016 | IPHI | Inphi | — | — | — | Initiates | → Buy | |||
03/11/2016 | FNSR | Finisar | — | — | — | Maintains | Buy | |||
02/05/2016 | LITE | Lumentum Holdings | $171.73 | — | — | Maintains | Buy | |||
02/05/2016 | EMKR | EMCORE | — | — | — | Maintains | Buy | |||
12/09/2015 | AXTI | AXT | $3.96 | — | — | Upgrade | → Buy | |||
11/12/2015 | FNSR | Finisar | — | — | — | Maintains | Neutral | |||
10/28/2015 | IIVI | II-VI | — | — | — | Maintains | Neutral | |||
09/11/2015 | FNSR | Finisar | — | — | — | Downgrade | Buy → Neutral | |||
08/12/2015 | VIAV | Viavi Solutions | $12.31 | — | — | Maintains | Buy | |||
08/05/2015 | VIAV | Viavi Solutions | $12.31 | — | — | Upgrade | Neutral → Buy | |||
08/05/2015 | LITE | Lumentum Holdings | $171.73 | — | — | Initiates | → Buy | |||
07/22/2015 | CIEN | Ciena | $138.04 | — | — | Initiates | → Buy | |||
06/22/2015 | EMKR | EMCORE | — | — | — | Maintains | Buy | |||
06/19/2015 | FNSR | Finisar | — | — | — | Maintains | Buy | |||
02/05/2015 | AXTI | AXT | $3.96 | — | — | Downgrade | Buy → Neutral | |||
10/31/2014 | AXTI | AXT | $3.96 | — | — | Upgrade | Neutral → Buy | |||
09/05/2014 | FNSR | Finisar | — | — | — | Maintains | Buy | |||
08/01/2014 | AXTI | AXT | $3.96 | — | — | Maintains | Neutral | |||
08/01/2013 | AXTI | AXT | $3.96 | — | — | Downgrade | Buy → Neutral |
