Benzinga's Top #PreMarket Gainers

Five Prime Therapeutics Inc FPRX shares rose 60.26 percent to $27.10 in pre-market trading following announcement of worldwide license, collaboration agreement on CSF1R antibody program with Bristol-Myers Squibb Co BMY. MBIA Inc. MBI shares climbed 17.86 percent to $8.38 in pre-market trading on news of Puerto Rico and U.S. officials "discussing the issuance of a ‘superbond' administered by the U.S. Treasury Department that would help restructure the commonwealth's $72 billion of debt," according to The Wall Street Journal. DexCom, Inc. DXCM shares surged 15.05 percent to $81.28 in pre-market trading after the company reported preliminary unaudited revenue for the third quarter of roughly $105 million, up 52 percent year-over-year. Transition Therapeutics Inc (USA) TTHI shares rose 13.99 percent to $2.20 in pre-market trading after the company announced analysis of its Phase 2/3 study of ELND005 in Alzheimer's disease. Xilinx, Inc. XLNX gained 4.89 percent to $47.60 in pre-market trading after the company reported better-than-expected earnings for its fiscal second quarter.