Benzinga's Top #PreMarket Gainers

Receptos Inc RCPT shares rose 10.34 percent to $228.60 in pre-market trading after Celgene Corporation CELG announced its plans to acquire Receptos for $7.2 billion. Celgene Corporation CELG gained 6.35 percent to $130.65 in pre-market trading after the company announced its plans to acquire Receptos for $7.2 billion and lifted its earnings forecast for 2015. Alder Biopharmaceuticals Inc ALDR shares climbed 4.81 percent to $51.25 in pre-market trading after rising 0.68 percent on Tuesday. Bank of America Corp BAC shares rose 3.62 percent to $17.75 in pre-market trading after the bank reported better-than-expected Q2 earnings. CSX Corporation CSX shares climbed 3.56 percent to $33.20 in pre-market trading after the company reported better-than-expected earnings for the second quarter of 2015.