Benzinga's Top #PreMarket Gainers

Trevena Inc TRVN gained 31.67 percent to $7.90 in pre-market trading after the company announced positive results from its Phase 2b study of TRV130 in Acute Postoperative Pain. Alkermes Plc ALKS shares jumped 3.17 percent to $61.45 in pre-market trading after falling 5.68 percent on Monday. Tecumseh Products Company TECU shares rose 1 percent to $5.03 in pre-market trading after gaining 0.20 percent on Monday. Communications Sales & Leasing Inc CSAL shares rose 0.50 percent to $20.20 in pre-market trading after dropping 2.43 percent on Monday. Cabelas Inc CAB shares climbed 0.36 percent to $45.13 in pre-market trading after the company reported a $500 million buyback program.