15 Biggest Mid-Day Gainers For Thursday

Sunedison Semiconductor Ltd SEMI climbed 38.6 percent to $11.48 as GlobalWafers Co., Ltd. agreed to buy SunEdison Semiconductor for US$12.00 per share in cash. Citigroup upgraded SunEdison Semiconductor from Sell to Neutral.
Cobalt International Energy, Inc. CIE shares surged 35.7 percent to $1.42 after gaining 5.99 percent on Wednesday.
Canadian Solar Inc. CSIQ surged 20 percent to $14.64. Canadian Solar reported Q2 earnings of $0.68 per share on revenue of $805.9 million.
Inventergy Global Inc INVT climbed 17 percent to $1.68 as the company reported the signing of a commercial deal with ProntoBux.
NF Energy Saving Corp NFEC shares gained 16 percent to $1.24 as the company reported that it has signed a new contract for $600,000 with four companies in China.
NetApp Inc. NTAP climbed 15.8 percent to $33.40 as the company reported better-than-expected earnings for its fiscal first quarter on Wednesday.
Approach Resources Inc. AREX shares gained 15 percent to $3.11.
Arrowhead Pharmaceuticals Inc ARWR rose 13 percent to $7.16. Cantor Fitzgerald initiated coverage on Arrowhead Pharmaceuticals with a Buy rating.
Ballard Power Systems Inc. (USA) BLDP rose 12.6 percent to $2.22. Ballard Power and Toyota Tsusho Corporation have signed a distribution agreement for fuel cell products in Japan.
Teekay Offshore Partners L.P. TOO gained 12.2 percent to $5.88. RBC Capital upgraded Teekay Offshore Partners from Sector Perform to Outperform.
SCYNEXIS Inc SCYX shares gained 12 percent to $2.90 after surging 25.73 percent on Wednesday.
Raptor Pharmaceutical Corp. RPTP shares gained 10.8 percent to $7.65. Retrophin Inc RTRX is considering an acquisition of Raptor Pharmaceutical, according to Bloomberg.
Immunomedics, Inc. IMMU shares rose 8 percent to $3.10 after the company reported that its preclinical study on enhancing IMMU-132 activity in SN-38-resistant cancer cells increased the median survival of mice.
L Brands Inc LB shares rose 5.3 percent to $78.00 as the company posted upbeat earnings for its second quarter after market close on Wednesday.
YY Inc (ADR) YY rose 3.8 percent to $50.96. YY reported a Q2 profit of $51.7 million and reported the resignation of Chairman Mr. Jun Lei.