Benzinga's Top Pre-Market Gainers

Immunogen IMGN surged 22.40% to $16.94 in the pre-market session. Immunogen had $160.94 million in total cash for the latest quarter. Sarepta Therapeutics SRPT soared 8.44% to $11.69 in the pre-market trading. Analysts at ThinkEquity initiated coverage on shares of Sarepta Therapeutics with a “buy” rating. Dollar Thrifty Automotive Group DTG added 7.28% to $86.90 in the pre-market session. Hertz Global Holdings HTZ announced its plans to acquire Dollar Thrifty Automotive Group for around $2.3 billion in cash. Tiffany & Co TIF moved up 6.84% to $62.50 in the pre-market session. Tiffany reported a 2% rise in its fiscal second-quarter earnings and lowered its full-year earnings forecast.