Morning Market Gainers

Quantum Fuel Systems Technologies Worldwide Inc.

shares surged 21.86% to $3.40 after the company reported preliminary Q4 sales of $12 million to $13 million. The company also expected FY15 sales growth in 40% to 50% range.

shares surged 13.69% to $24.00 after the company announced the acquisiton of Chinese PLA General Hospital's CAR-T (CD19/CD20/CD30/EGFR) immuno-oncology technology and clinical data.

shares climbed 13.59% to $12.29 on positive ACH-3102 data.

shares rose 13.02% to $2.17. The company's second quarter net sales climbed 33.0% to $54.1million, while net income surged 41.9% to $5.2 million.

shares surged 10.22% to $2.91. Tahoe Resources

announced its plans to acquire Rio Alto Mining in a $1.12 billion cash and stock deal.

shares gained 8.47% to $24.39. Stifel Nicolaus upgraded Conn's from Hold to Buy.

rose 7.38% to $1.31 after the company announced new data on PD-1 and CTLA-4.

shares gained 6.06% to $68.58. Motorola Solutions is considering a sale of the company, according to sources, as reported by Bloomberg.

gained 3.68% to $57.79 after the company reported higher earnings for the fourth quarter and lifted its dividend. The company also announced a $500 million buyback.

shares rose 2.19% to $7.93 after the company reported new results supporting CGEN-15049 as potential cancer immunotherapy target.