18 Biggest Mid-Day Gainers For Tuesday

Tobira Therapeutics Inc TBRA shares jumped 716 percent to $38.69 after Allergan plc AGN agreed to acquire Tobira Therapeutics for an upfront payment of $28.35 per share in cash and up to $49.84 per share in contingent value rights.
Biostar Pharmaceuticals Inc BSPM shares surged 35.4 percent to $3.93. Biostar Pharmaceuticals shares have dropped 37.23 percent over the past 52 weeks, while the S&P 500 index has gained 8.75 percent in the same period.
Galmed Pharmaceuticals Ltd GLMD shares rose 29 percent to $4.71. Galmed Pharmaceuticals shares have tumbled 59.26 percent over the past 52 weeks, while the S&P 500 index has increased 8.75 percent in the same period.
DTS Inc. DTSI shares gained 23.2 percent to $42.29. Tessera Technologies, Inc. TSRA and DTS, Inc. reached a definitive agreement through which the former would buy the latter for $42.50 a share in cash.
Conatus Pharmaceuticals Inc CNAT shares climbed 22.9 percent to $2.15 after gaining 4.17 percent on Monday.
Windtree Therapeutics Inc WINT surged 21.7 percent to $2.68 after announcing the FDA Fast Track designation for AEROSURF.
Natural Alternatives International, Inc. NAII shares jumped 19.9 percent to $12.18. Natural Alternatives reported Q4 earnings of $0.52 per share on sales of $35.7 million.
AirMedia Group Inc (ADR) AMCN shares jumped 19.5 percent to $3.66 after gaining 3.02 percent on Monday.
Sarepta Therapeutics Inc SRPT surged 13.6 percent to $55.60 after surging 73.85 percent on Monday. Cowen & Co. upgraded Sarepta from Market Perform to Outperform.
Puma Biotechnology Inc PBYI surged 13.3 percent to $66.77 after the company reported the FDA acceptance of NDA for PB272 for extended adjuvant treatment of HER2-positive early stage breast cancer.
Aquinox Pharmaceuticals Inc AQXP shares gained 11.3 percent to $14.11. Aquinox priced its 5.35 million share public offering at $12.25 per share.
Amphastar Pharmaceuticals Inc AMPH rose 10.6 percent to $21.02. Amphastar Pharmaceuticals will replace Cirrus Logic, Inc. CRUS in the S&P SmallCap 600 after the close of trading on September 21.
Hortonworks Inc HDP shares rose 5.7 percent to $8.13. Hortonworks and IBM reported the collaboration to offer open source distribution on power systems.
Tech Data Corp TECD shares gained 3.8 percent to touch a new 52-week high of $88.00. Stifel Nicolaus upgraded Tech Data from Hold to Buy.
Columbia Sportswear Company COLM rose 3.7 percent to $56.76. Canaccord Genuity upgraded Columbia Sportswear from Hold to Buy.
Diamond Offshore Drilling Inc DO gained 3.2 percent to $15.41. Evercore ISI Group upgraded Diamond Offshore from Hold to Buy.
Starwood Hotels & Resorts Worldwide Inc HOT shares gained 3 percent to $77.27 Marriott International Inc MAR’s acquisition of Starwood received antitrust approval in China.
IAC/InterActiveCorp IAC rose 3 percent to $59.95. Wells Fargo upgraded IAC/InterActiveCorp from Market Perform to Outperform.

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