Morning Market Gainers

Chubb Corp (NYSE: CB) shares jumped 33.53 percent to $127.00 after ACE Limited announced its plans to buy Chubb for $28.3 billion. Tetralogic Pharmaceuticals Corp (NASDAQ: TLOG) shares surged 24.36 percent to $2.91. The company issued preliminary data after the bell from a Phase 2A study of its treatment for a group of cancers called myelodysplastic syndromes. Rock Creek Pharmaceuticals Inc (NASDAQ: RCPI) shares gained 18.42 percent to $1.80 on the report of positive anatabine citrate study results. Biocept Inc (NASDAQ: BIOC) shares surged 16.07 percent to $2.96 after the company reported a launch of FGFR1 amplification testing utilizing a patient's blood sample. AlarmCom Hldg Inc (NASDAQ: ALRM) shares rose 10.92 percent to $17.06 after falling 2.47 percent on Tuesday. ACE Limited (NYSE: ACE) shares jumped 9.68 percent to $111.52 after the company agreed to buy Chubb for $28.3 billion. Transgenomic Inc (NASDAQ: TBIO) rose 9.5 percent to $1.83 after the company reported a private placement of $3 million in gross proceeds. Travelers Companies Inc (NYSE: TRV) sharesrose 4.70 percent to $101.20 after gaining 0.43 percent on Tuesday. Alder Biopharmaceuticals Inc (NASDAQ: ALDR) shares surged 3.93 percent to $55.05 after the company reported that the underwriters of its earlier announced public offering of common stock have exercised in full their option to purchase an additional shares.