Benzinga's Top #PreMarket Gainers

shares surged 23.64 percent to $0.170 in pre-market trading following earlier release noting second US Patent acceptance on flexible solar film manufacturing.

shares climbed 6.49 percent to $18.54 in pre-market trading after

lifted its offer to acquire Pep Boys to $18.50 per share in cash.

shares climbed 4.38 percent to $6.91 in pre-market trading after dipping 81.39 percent on Monday. Analysts at JP Morgan downgraded Chimerix from Overweight to Neutral and lowered the price target from $65 to $15.

shares spiked 2.08 percent to $207.58 in pre-market trading. Shire shares have dropped 3.08 percent over the past 52 weeks, while the S&P 500 index has slipped 1.15 percent in the same period.

shares jumped 1.87 percent to $27.55 after rising 0.20 percent on Monday.