Morning Market Movers

Caliper Life Sciences Inc CALP shares surged 41.27% to $10.44 at 9:45 am. PerkinElmer Inc PKI announced its plans to acquire Caliper Life Sciences for $10.50 per share. Marshall Edwards Inc 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 PMIC shares advanced 25.71% to $20.49. PMIC agreed to be bought by Ace Ltd ACE for $20.50 per share in cash. Spartech Corporation SEH surged 25.25% to $5.11 at 9:45 am. Spartech reported an 8% y/y rise in its Q3 net sales.