Benzinga's Top Pre-Market Gainers

Research In Motion Limited RIMM surged 12.18% to $11.51 in the pre-market session. Research In Motion announced its plans to introduce its BB10 phones at the end of January 2013. St. Jude Medical STJ moved up 7.65% to $33.77 in the pre-market session. St. Jude's PEG ratio is 0.95. Star Scientific STSI added 5.11% to $2.47 in the pre-market session. Star Scientific shares have dropped 7.84% over the past 52 weeks, while the S&P 500 index has gained 20.05% in the same period. Sarepta Therapeutics SRPT soared 3.42% to $29.30 in the pre-market trading. Sarepta Therapeutics' trailing-twelve-month revenue is $43.58 million.