Morning Market Gainers

shares surged 20.09 percent to $13.39 following announcement of $14.50 per share offer from Nexstar Broadcasting Group, Inc.

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shares gained 12.50 percent to $2.79 following announcement of positive Phase 3 SYNERGY trial data.

(USA)

rose 11.97 percent to $1.31 after the company reported the signing of a $6 million seal in China for first global deployment of fuel cell-powered trams.

shares gained 8.67 percent to $17.79. FBR Capital upgraded Knowles from Underperform to Market Perform and raised the price target from $17.00 to $18.00.

shares surged 5.61 percent to $8.47 on report of potential competing offer from

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shares rose 3.03 percent to $9.35 after the company announced its plans to split into two companies.