Morning Market Movers (NSM, NVGN, QCOR, CBST)

National Semiconductor Corp NSM climbed 71.07% to $24.07 at 9:45 am. Texas Instruments Inc TXN announced its plans to acquire NSM for $6.5 billion or $25 per share, representing a 78% premium to NSM's closing price on Monday. Novogen Limited NVGN surged 52.67% to $2.00. NVGN shares have dropped 34.83% over the past 52 weeks, while the S&P 500 index has gained 12.25% in the same period. Questcor Pharmaceuticals Inc QCOR shares surged 18.30% to $17.65. QCOR issued upbeat Q1 revenue projections. Cubist Pharmaceuticals Inc CBST shares advanced 15.80% to $29.24. CBST settled a patent lawsuit with Teva Pharmaceuticals TEVA associated to its Cubicin drug. Read more from Benzinga's Markets.