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Ruben Roy is an analyst at Stifel. 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 03/25/2025
| Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 02/12/2025 | IPGP | Buy Now | IPG Photonics | $69.55 | 22.21% | Ruben Roy79% | $100 → $85 | Maintains | Buy | Get Alert |
| 02/11/2025 | TTMI | Buy Now | TTM Technologies | $23.30 | 41.63% | Ruben Roy79% | → $33 | Reinstates | → Buy | Get Alert |
| 02/11/2025 | FLEX | Buy Now | Flex | $37.42 | 38.96% | Ruben Roy79% | → $52 | Reinstates | → Buy | Get Alert |
| 02/11/2025 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 10.41% | Ruben Roy79% | $65 → $70 | Maintains | Buy | Get Alert |
| 02/07/2025 | LITE | Buy Now | Lumentum Holdings | $72.90 | 44.03% | Ruben Roy79% | $95 → $105 | Maintains | Buy | Get Alert |
| 02/06/2025 | SWKS | Buy Now | Skyworks Solutions | $69.02 | -10.17% | Ruben Roy79% | $105 → $62 | Downgrade | Buy → Hold | Get Alert |
| 02/05/2025 | AMD | Buy Now | Advanced Micro Devices | $113.89 | 42.24% | Ruben Roy79% | $200 → $162 | Maintains | Buy | Get Alert |
| 01/31/2025 | VIAV | Buy Now | Viavi Solutions | $11.77 | 10.45% | Ruben Roy79% | $12 → $13 | Reiterates | Buy → Buy | Get Alert |
| 01/31/2025 | INTC | Buy Now | Intel | $24.17 | -13.12% | Ruben Roy79% | $25 → $21 | Maintains | Hold | Get Alert |
| 01/29/2025 | QRVO | Buy Now | Qorvo | $72.33 | 24.43% | Ruben Roy79% | $95 → $90 | Maintains | Hold | Get Alert |
| 01/15/2025 | LASR | Buy Now | nLight | $8.57 | 63.36% | Ruben Roy79% | $17 → $14 | Maintains | Buy | Get Alert |
| 12/16/2024 | VIAV | Buy Now | Viavi Solutions | $11.77 | 1.95% | Ruben Roy79% | $10.5 → $12 | Maintains | Buy | Get Alert |
| 12/13/2024 | CIEN | Buy Now | Ciena | $69.43 | 36.83% | Ruben Roy79% | $82 → $95 | Maintains | Buy | Get Alert |
| 12/11/2024 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 2.52% | Ruben Roy79% | $55 → $65 | Maintains | Buy | Get Alert |
| 12/10/2024 | CIEN | Buy Now | Ciena | $69.43 | 18.1% | Ruben Roy79% | $75 → $82 | Reiterates | Buy → Buy | Get Alert |
| 11/19/2024 | NVDA | Buy Now | NVIDIA | $120.65 | 49.19% | Ruben Roy79% | $165 → $180 | Maintains | Buy | Get Alert |
| 11/07/2024 | COHR | Buy Now | Coherent | $76.21 | 57.46% | Ruben Roy79% | $85 → $120 | Maintains | Buy | Get Alert |
| 10/25/2024 | INTC | Buy Now | Intel | $24.17 | 3.43% | Ruben Roy79% | $28 → $25 | Reiterates | Hold → Hold | Get Alert |
| 10/09/2024 | CIEN | Buy Now | Ciena | $69.43 | 8.02% | Ruben Roy79% | $68 → $75 | Maintains | Buy | Get Alert |
| 09/17/2024 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | -13.25% | Ruben Roy79% | $55 → $55 | Upgrade | Hold → Buy | Get Alert |
| 09/03/2024 | CIEN | Buy Now | Ciena | $69.43 | -2.06% | Ruben Roy79% | $62 → $68 | Maintains | Buy | Get Alert |
| 08/16/2024 | COHR | Buy Now | Coherent | $76.21 | 11.53% | Ruben Roy79% | $75 → $85 | Maintains | Buy | Get Alert |
| 08/13/2024 | COHR | Buy Now | Coherent | $76.21 | -1.59% | Ruben Roy79% | $68 → $75 | Maintains | Buy | Get Alert |
| 08/06/2024 | VIAV | Buy Now | Viavi Solutions | $11.77 | -10.79% | Ruben Roy79% | $13 → $10.5 | Maintains | Buy | Get Alert |
| 07/31/2024 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 81.11% | Ruben Roy79% | $112 → $125 | Maintains | Buy | Get Alert |
| 07/31/2024 | IPGP | Buy Now | IPG Photonics | $69.55 | 43.78% | Ruben Roy79% | $115 → $100 | Maintains | Buy | Get Alert |
| 07/30/2024 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | -13.25% | Ruben Roy79% | $67 → $55 | Maintains | Hold | Get Alert |
| 05/23/2024 | NVDA | Buy Now | NVIDIA | $120.65 | 844.88% | Ruben Roy79% | $108.5 → $114 | Maintains | Buy | Get Alert |
| 05/20/2024 | NVDA | Buy Now | NVIDIA | $120.65 | 799.3% | Ruben Roy79% | $91 → $108.5 | Maintains | Buy | Get Alert |
| 05/15/2024 | INFN | Buy Now | Infinera | — | — | Ruben Roy79% | $7 → $7 | Maintains | Buy | Get Alert |
| 05/15/2024 | COHR | Buy Now | Coherent | $76.21 | -10.77% | Ruben Roy79% | $68 → $68 | Maintains | Buy | Get Alert |
| 05/01/2024 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 62.27% | Ruben Roy79% | $122 → $112 | Maintains | Buy | Get Alert |
| 04/03/2024 | INTC | Buy Now | Intel | $24.17 | 86.18% | Ruben Roy79% | $45 → $45 | Maintains | Hold | Get Alert |
| 04/01/2024 | VIAV | Buy Now | Viavi Solutions | $11.77 | 10.45% | Ruben Roy79% | $13 → $13 | Maintains | Buy | Get Alert |
| 04/01/2024 | LITE | Buy Now | Lumentum Holdings | $72.90 | -14.95% | Ruben Roy79% | $62 → $62 | Maintains | Buy | Get Alert |
| 04/01/2024 | INFN | Buy Now | Infinera | — | — | Ruben Roy79% | $7 → $7 | Maintains | Buy | Get Alert |
| 04/01/2024 | COHR | Buy Now | Coherent | $76.21 | -10.77% | Ruben Roy79% | $68 → $68 | Maintains | Buy | Get Alert |
| 03/20/2024 | NVDA | Buy Now | NVIDIA | $120.65 | 654.25% | Ruben Roy79% | → $91 | Reiterates | Buy → Buy | Get Alert |
| 02/22/2024 | NVDA | Buy Now | NVIDIA | $120.65 | 654.25% | Ruben Roy79% | $86.5 → $91 | Maintains | Buy | Get Alert |
| 02/14/2024 | IPGP | Buy Now | IPG Photonics | $69.55 | 65.35% | Ruben Roy79% | $130 → $115 | Maintains | Buy | Get Alert |
| 02/13/2024 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 5.68% | Ruben Roy79% | $70 → $67 | Maintains | Hold | Get Alert |
| 02/13/2024 | CDNS | Buy Now | Cadence Design Sys | $266.70 | 31.23% | Ruben Roy79% | $300 → $350 | Maintains | Buy | Get Alert |
| 02/12/2024 | VIAV | Buy Now | Viavi Solutions | $11.77 | 10.45% | Ruben Roy79% | $10 → $13 | Upgrade | Hold → Buy | Get Alert |
| 02/07/2024 | COHR | Buy Now | Coherent | $76.21 | -10.77% | Ruben Roy79% | $58 → $68 | Maintains | Buy | Get Alert |
| 02/05/2024 | COHR | Buy Now | Coherent | $76.21 | -23.89% | Ruben Roy79% | $50 → $58 | Maintains | Buy | Get Alert |
| 01/17/2024 | SNPS | Buy Now | Synopsys | $457.77 | 35.44% | Ruben Roy79% | $620 → $620 | Maintains | Buy | Get Alert |
| 01/02/2024 | LITE | Buy Now | Lumentum Holdings | $72.90 | -14.95% | Ruben Roy79% | $55 → $62 | Maintains | Buy | Get Alert |
| 01/02/2024 | IPGP | Buy Now | IPG Photonics | $69.55 | 86.92% | Ruben Roy79% | $120 → $130 | Maintains | Buy | Get Alert |
| 01/02/2024 | INTC | Buy Now | Intel | $24.17 | 86.18% | Ruben Roy79% | $38 → $45 | Maintains | Hold | Get Alert |
| 12/07/2023 | AMD | Buy Now | Advanced Micro Devices | $113.89 | 27.32% | Ruben Roy79% | → $145 | Reiterates | Buy → Buy | Get Alert |
| 12/04/2023 | IPGP | Buy Now | IPG Photonics | $69.55 | 72.54% | Ruben Roy79% | → $120 | Reiterates | Buy → Buy | Get Alert |
| 11/30/2023 | SNPS | Buy Now | Synopsys | $457.77 | 35.44% | Ruben Roy79% | $550 → $620 | Maintains | Buy | Get Alert |
| 11/27/2023 | SNPS | Buy Now | Synopsys | $457.77 | 20.15% | Ruben Roy79% | → $550 | Reiterates | Buy → Buy | Get Alert |
| 11/22/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 451.18% | Ruben Roy79% | $60 → $66.5 | Maintains | Buy | Get Alert |
| 11/17/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 397.31% | Ruben Roy79% | → $60 | Reiterates | Buy → Buy | Get Alert |
| 10/31/2023 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 10.41% | Ruben Roy79% | $82 → $70 | Maintains | Hold | Get Alert |
| 10/30/2023 | IPGP | Buy Now | IPG Photonics | $69.55 | 72.54% | Ruben Roy79% | $145 → $120 | Maintains | Buy | Get Alert |
| 09/28/2023 | CIEN | Buy Now | Ciena | $69.43 | -10.7% | Ruben Roy79% | → $62 | Initiates | → Buy | Get Alert |
| 09/28/2023 | INFN | Buy Now | Infinera | — | — | Ruben Roy79% | → $7 | Initiates | → Buy | Get Alert |
| 08/24/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 397.31% | Ruben Roy79% | $44 → $60 | Upgrade | Hold → Buy | Get Alert |
| 08/18/2023 | LITE | Buy Now | Lumentum Holdings | $72.90 | -24.55% | Ruben Roy79% | $62 → $55 | Maintains | Buy | Get Alert |
| 08/17/2023 | SNPS | Buy Now | Synopsys | $457.77 | 2.67% | Ruben Roy79% | $445 → $470 | Maintains | Buy | Get Alert |
| 08/17/2023 | COHR | Buy Now | Coherent | $76.21 | -44.89% | Ruben Roy79% | $50 → $42 | Maintains | Buy | Get Alert |
| 08/15/2023 | COHR | Buy Now | Coherent | $76.21 | -34.39% | Ruben Roy79% | $42 → $50 | Maintains | Buy | Get Alert |
| 07/28/2023 | LUNA | Buy Now | Luna Innovations | $0.71 | 1660.56% | Ruben Roy79% | → $12.5 | Initiates | → Buy | Get Alert |
| 07/20/2023 | CDNS | Buy Now | Cadence Design Sys | $266.70 | 12.49% | Ruben Roy79% | $210 → $300 | Upgrade | Hold → Buy | Get Alert |
| 05/25/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 206.67% | Ruben Roy79% | $30 → $37 | Maintains | Hold | Get Alert |
| 05/23/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 148.65% | Ruben Roy79% | $22.5 → $30 | Maintains | Hold | Get Alert |
| 05/11/2023 | COHR | Buy Now | Coherent | $76.21 | -44.89% | Ruben Roy79% | $60 → $42 | Maintains | Buy | Get Alert |
| 05/09/2023 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 88.35% | Ruben Roy79% | $150 → $130 | Maintains | Buy | Get Alert |
| 05/02/2023 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 29.34% | Ruben Roy79% | $71 → $82 | Maintains | Hold | Get Alert |
| 04/25/2023 | AMD | Buy Now | Advanced Micro Devices | $113.89 | -13.95% | Ruben Roy79% | $91 → $98 | Maintains | Buy | Get Alert |
| 04/06/2023 | QRVO | Buy Now | Qorvo | $72.33 | 52.08% | Ruben Roy79% | → $110 | Initiates | → Hold | Get Alert |
| 04/06/2023 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 117.33% | Ruben Roy79% | → $150 | Initiates | → Buy | Get Alert |
| 02/23/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 86.49% | Ruben Roy79% | $20.7 → $22.5 | Maintains | Hold | Get Alert |
| 02/21/2023 | NVDA | Buy Now | NVIDIA | $120.65 | 71.57% | Ruben Roy79% | $17.5 → $20.7 | Maintains | Hold | Get Alert |
| 02/14/2023 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | 11.99% | Ruben Roy79% | $60 → $71 | Maintains | Hold | Get Alert |
| 12/02/2022 | LITE | Buy Now | Lumentum Holdings | $72.90 | -6.72% | Ruben Roy79% | → $68 | Initiates | → Buy | Get Alert |
| 12/02/2022 | COHR | Buy Now | Coherent | $76.21 | -37.02% | Ruben Roy79% | → $48 | Initiates | → Buy | Get Alert |
| 12/02/2022 | VIAV | Buy Now | Viavi Solutions | $11.77 | 1.95% | Ruben Roy79% | → $12 | Initiates | → Hold | Get Alert |
| 11/17/2022 | NVDA | Buy Now | NVIDIA | $120.65 | 45.05% | Ruben Roy79% | $16.5 → $17.5 | Maintains | Hold | Get Alert |
| 11/04/2022 | LASR | Buy Now | nLight | $8.57 | 110.04% | Ruben Roy79% | → $18 | Reinstates | → Buy | Get Alert |
| 11/02/2022 | IPGP | Buy Now | IPG Photonics | $69.55 | 58.16% | Ruben Roy79% | → $110 | Reinstates | → Buy | Get Alert |
| 11/02/2022 | AMD | Buy Now | Advanced Micro Devices | $113.89 | -20.1% | Ruben Roy79% | $100 → $91 | Maintains | Buy | Get Alert |
| 10/07/2022 | AMD | Buy Now | Advanced Micro Devices | $113.89 | -12.2% | Ruben Roy79% | $122 → $100 | Maintains | Buy | Get Alert |
| 09/08/2022 | AMD | Buy Now | Advanced Micro Devices | $113.89 | 7.12% | Ruben Roy79% | → $122 | Initiates | → Buy | Get Alert |
| 09/08/2022 | INTC | Buy Now | Intel | $24.17 | 32.4% | Ruben Roy79% | → $32 | Initiates | → Hold | Get Alert |
| 09/08/2022 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | -5.36% | Ruben Roy79% | → $60 | Initiates | → Hold | Get Alert |
| 09/08/2022 | NVDA | Buy Now | NVIDIA | $120.65 | 36.76% | Ruben Roy79% | → $16.5 | Initiates | → Hold | Get Alert |
| 09/08/2022 | CDNS | Buy Now | Cadence Design Sys | $266.70 | -25.01% | Ruben Roy79% | → $200 | Initiates | → Hold | Get Alert |
| 09/08/2022 | SNPS | Buy Now | Synopsys | $457.77 | -2.79% | Ruben Roy79% | → $445 | Initiates | → Buy | Get Alert |
| 05/16/2022 | SNPS | Buy Now | Synopsys | $457.77 | -19.17% | Ruben Roy79% | $425 → $370 | Maintains | Buy | Get Alert |
| 02/23/2022 | CDNS | Buy Now | Cadence Design Sys | $266.70 | -32.51% | Ruben Roy79% | → $180 | Upgrade | Hold → Buy | Get Alert |
| 07/15/2021 | SNPS | Buy Now | Synopsys | $457.77 | -25.73% | Ruben Roy79% | → $340 | Initiates | → Buy | Get Alert |
| 06/09/2021 | CRUS | Buy Now | Cirrus Logic | $102.58 | -7.39% | Ruben Roy79% | → $95 | Initiates | → Buy | Get Alert |
| 03/09/2021 | THBR | Buy Now | Thunder Bridge | — | — | Ruben Roy79% | → $17 | Initiates | → Buy | Get Alert |
| 02/22/2021 | SLAB | Buy Now | Silicon Laboratories | $124.20 | 52.98% | Ruben Roy79% | $155 → $190 | Maintains | Buy | Get Alert |
| 02/16/2021 | IPWR | Buy Now | Ideal Power | $4.90 | 471.43% | Ruben Roy79% | → $28 | Initiates | → Speculative Buy | Get Alert |
| 02/04/2021 | QRVO | Buy Now | Qorvo | $72.33 | 176.51% | Ruben Roy79% | $185 → $200 | Maintains | Buy | Get Alert |
| 02/02/2021 | ON | Buy Now | ON Semiconductor | $45.60 | -1.32% | Ruben Roy79% | $36 → $45 | Maintains | Buy | Get Alert |
| 02/02/2021 | CRUS | Buy Now | Cirrus Logic | $102.58 | 2.36% | Ruben Roy79% | $95 → $105 | Maintains | Buy | Get Alert |
| 01/14/2021 | VLDR | Buy Now | Velodyne Lidar | — | — | Ruben Roy79% | → $32 | Initiates | → Buy | Get Alert |
| 11/05/2020 | QRVO | Buy Now | Qorvo | $72.33 | 114.3% | Ruben Roy79% | $135 → $155 | Maintains | Buy | Get Alert |
| 11/03/2020 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 139.06% | Ruben Roy79% | $155 → $165 | Maintains | Buy | Get Alert |
| 10/09/2020 | MRVL | Buy Now | Marvell Tech | $72.53 | -31.06% | Ruben Roy79% | $40 → $50 | Maintains | Buy | Get Alert |
| 09/18/2020 | MTSI | Buy Now | MACOM Technology Solns | $111.52 | -57.86% | Ruben Roy79% | → $47 | Initiates | → Buy | Get Alert |
| 09/02/2020 | NVDA | Buy Now | NVIDIA | $120.65 | 397.31% | Ruben Roy79% | $13.5 → $15 | Maintains | Buy | Get Alert |
| 08/11/2020 | ON | Buy Now | ON Semiconductor | $45.60 | -38.6% | Ruben Roy79% | $24 → $28 | Maintains | Buy | Get Alert |
| 07/30/2020 | QRVO | Buy Now | Qorvo | $72.33 | 86.64% | Ruben Roy79% | $127 → $135 | Maintains | Buy | Get Alert |
| 07/24/2020 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 124.57% | Ruben Roy79% | $120 → $155 | Maintains | Buy | Get Alert |
| 05/27/2020 | MRVL | Buy Now | Marvell Tech | $72.53 | -51.74% | Ruben Roy79% | $30 → $35 | Maintains | Buy | Get Alert |
| 04/30/2020 | SLAB | Buy Now | Silicon Laboratories | $124.20 | -4.99% | Ruben Roy79% | $100 → $118 | Maintains | Buy | Get Alert |
| 04/03/2020 | LSCC | Buy Now | Lattice Semiconductor | $63.40 | -63.72% | Ruben Roy79% | → $23 | Initiates | → Buy | Get Alert |
| 02/04/2020 | ON | Buy Now | ON Semiconductor | $45.60 | -42.98% | Ruben Roy79% | $28 → $26 | Reiterates | → Buy | Get Alert |
| 01/30/2020 | CRUS | Buy Now | Cirrus Logic | $102.58 | -7.39% | Ruben Roy79% | $80 → $95 | Maintains | Buy | Get Alert |
| 01/21/2020 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 102.84% | Ruben Roy79% | $110 → $140 | Maintains | Buy | Get Alert |
| 01/13/2020 | ON | Buy Now | ON Semiconductor | $45.60 | -38.6% | Ruben Roy79% | $26 → $28 | Reiterates | → Buy | Get Alert |
| 12/31/2019 | NVDA | Buy Now | NVIDIA | $120.65 | 127.93% | Ruben Roy79% | $6 → $6.88 | Maintains | Buy | Get Alert |
| 11/15/2019 | NVDA | Buy Now | NVIDIA | $120.65 | 98.92% | Ruben Roy79% | $5.25 → $6 | Maintains | Buy | Get Alert |
| 11/15/2019 | CRUS | Buy Now | Cirrus Logic | $102.58 | -22.01% | Ruben Roy79% | $70 → $80 | Maintains | Market Weight | Get Alert |
| 10/31/2019 | CRUS | Buy Now | Cirrus Logic | $102.58 | -31.76% | Ruben Roy79% | $62 → $70 | Maintains | Buy | Get Alert |
| 09/20/2019 | SWKS | Buy Now | Skyworks Solutions | $69.02 | 36.19% | Ruben Roy79% | → $94 | Initiates | → Buy | Get Alert |
| 09/20/2019 | ON | Buy Now | ON Semiconductor | $45.60 | -42.98% | Ruben Roy79% | → $26 | Initiates | → Buy | Get Alert |
| 09/12/2019 | QRVO | Buy Now | Qorvo | $72.33 | 24.43% | Ruben Roy79% | → $90 | Initiates | → Buy | Get Alert |
| 09/12/2019 | CRUS | Buy Now | Cirrus Logic | $102.58 | -39.56% | Ruben Roy79% | → $62 | Initiates | → Buy | Get Alert |
| 08/21/2019 | MRVL | Buy Now | Marvell Tech | $72.53 | -58.64% | Ruben Roy79% | → $30 | Assumes | → Buy | Get Alert |
| 07/23/2019 | SLAB | Buy Now | Silicon Laboratories | $124.20 | -3.38% | Ruben Roy79% | → $120 | Initiates | → Buy | Get Alert |
| 04/06/2018 | SLAB | Buy Now | Silicon Laboratories | $124.20 | -3.38% | Ruben Roy79% | → $120 | Initiates | → Buy | Get Alert |
| 11/20/2017 | MRVL | Buy Now | Marvell Tech | $72.53 | — | Ruben Roy79% | — | Upgrade | Hold → Buy | Get Alert |
| 02/22/2017 | CAVM | Buy Now | Cavium | — | — | Ruben Roy79% | → $77 | Initiates | → Buy | Get Alert |
| 08/22/2014 | MRVL | Buy Now | Marvell Tech | $72.53 | -79.32% | Ruben Roy79% | $16 → $15 | Maintains | Hold | Get Alert |
| 06/28/2012 | MRVL | Buy Now | Marvell Tech | $72.53 | -82.08% | Ruben Roy79% | $15 → $13 | Maintains | Hold | Get Alert |
| 02/13/2012 | MRVL | Buy Now | Marvell Technology Group | $72.53 | — | Ruben Roy79% | — | Downgrade | Buy → Hold | Get Alert |
