Caliper Life Sciences Inc (NASDAQ: CALP) shares surged 41.27% to $10.44 at 9:45 am. PerkinElmer Inc (NYSE: PKI) announced its plans to acquire Caliper Life Sciences for $10.50 per share.
Marshall Edwards Inc (NASDAQ: MSHL) climbed 27.08% to $1.83. MSHL initiated a Phase I clinical trial of its lead drug candidate ME-143.
Penn Millers Holding Corp (NASDAQ: PMIC) shares advanced 25.71% to $20.49. PMIC agreed to be bought by Ace Ltd (NYSE: ACE) for $20.50 per share in cash.
Spartech Corporation (NYSE: SEH) surged 25.25% to $5.11 at 9:45 am. Spartech reported an 8% y/y rise in its Q3 net sales.
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