34 Stocks Moving In Tuesday's Mid-Day Session

Gainers

• WMIH Corp. WMIH shares surged 62.1 percent to $1.29. The insurance company agreed to merge with Nationstar Mortgage Holdings Inc NSM. Nationstar shareholders could chose to receive $18.00 in cash or 12.7793 of WMIH common stock for each share owned. Nationstar shareholders will own around 36 percent of the combined entity with WMIH shareholders owning the remaining 64 percent.
• Aqua Metals Inc AQMS shares rose 31.3 percent to $2.89.
• GNC Holdings Inc GNC shares gained 26.4 percent to $5.30 following announcement of $300 million investment from Harbin Pharmaceuticals. GNC reported in-line quarterly earnings.
• Chegg Inc CHGG shares climbed 18 percent to $19.30 after reporting a fourth quarter earnings and sales beat and raising FY18 guidance.
• SemiLEDs Corporation LEDS gained 15.5 percent to $4.47.
• Under Armour Inc UAA surged 15.1 percent to $16.38. Under Armour reported in-line earnings for its fourth quarter, while sales exceeded estimates.
• Veeco Instruments Inc. VECO gained 15 percent to $17.35 as the company posted upbeat quarterly earnings.
• Instructure Inc INST shares rose 13.8 percent to $42.50 after the company posted upbeat quarterly results and issued a strong forecast.
• Under Armour Inc UA jumped 13.7 percent to $14.99. Under Armour reported in-line earnings for its fourth quarter, while sales exceeded estimates.
• China Online Education Group – ADR COE shares gained 12.4 percent to $11.00.
• On Deck Capital Inc ONDK shares jumped 11.6 percent to $5.00 following upbeat quarterly results.
• AmerisourceBergen Corp. ABC climbed 10.7 percent to $98.98 following Monday Dow Jones report of takeover talks with Walgreens Boots Alliance Inc WBA.
• Dun & Bradstreet Corp DNB surged 9.9 percent to $122.76 following upbeat quarterly earnings.
• Cardlytics Inc CDLX shares rose 8.7 percent to $16.90. Cardlytics priced its 5.4 million share IPO at $13 per share.
• Weibo Corp (ADR) WB gained 9 percent to $128.93 following upbeat quarterly results.
• RingCentral Inc RNG climbed 8.8 percent to $58.00 following Q4 beat.
• SINA Corp SINA shares rose 8.1 percent to $1114.28 after the company posted upbeat quarterly results.
• Health Insurance Innovations Inc HIIQ gained 7.5 percent to $24.50. B. Riley initiated coverage on Health Insurance Innovations with a Buy rating.
• Green Dot Corporation GDOT surged 7.4 percent to $59.99. Citigroup upgraded Green Dot from Neutral to Buy.
• Blue Apron Holdings Inc APRN shares climbed 4.8 percent to $3.52 after the company posted upbeat quarterly results.

Losers

• Dare Bioscience Inc DARE shares tumbled 39.8 percent to $1.68. Dare Bioscience priced 5 million common share and warrants to buy up to 3.5 million common shares at $3 per share.
• Helios and Matheson Analytics Inc HMNY dropped 28.3 percent to $5.73 after the company reported pricing of its $105 million public offering.
• Affimed NV AFMD declined 14.3 percent to $2.10. Affimed priced its 11.5 million share public offering of common stock at 2.00 per share.
• Zosano Pharma Corp ZSAN dropped 12.2 percent to $4.22 after gaining 19.11 percent on Monday.
• InVitae Corp NVTA dropped 11.3 percent to $5.58 after the company posted a wider-than-expected Q4 loss.
• Henry Schein, Inc. HSIC dropped 9.6 percent to $65.25. Henry Schein has denied the FTC anti-trust allegations.
• US Gold Corp USAU shares slipped 8.5 percent to $2.16. US Gold reported completion of Fall '17 drilling program.
• Patterson Companies, Inc. PDCO declined 8 percent to $30.31.
• Owens & Minor, Inc. OMI dropped 7.5 percent to $14.53.
• Weatherford International Plc WFT shares fell 7.3 percent to $2.65. Barclays downgraded Weatherford from Overweight to Equal-Weight.
• McClatchy Co MNI slipped 6.5 percent to $8.30.
• Pacific Biosciences of California PACB dropped 6 percent to $2.39. Pacific Biosciences of California priced its 12.5 million share offering at $2.40 per share.
• Premier Inc PINC fell 5.5 percent to $30.01. Cowen & Co. initiated coverage on Premier with a Market Perform rating.
• Himax Technologies, Inc. (ADR) HIMX declined 3.5 percent to $8.01 after reporting downbeat quarterly results.