Benzinga's Top #PreMarket Gainers

NQ Mobile Inc. NQ shares jumped 15.61% to $4.00 in pre-market trading. NQ Mobile's board authorized an up to$80 million shares buyback plan. China Finance Online Co., Ltd. JRJC shares gained 21.24% to $6.45 in the pre-market trading session following Q3 earnings. China Finance Online reported a Q3 loss of $0.11 per share on revenue of $21.10 million. Vanda Pharmaceuticals, Inc. VNDA shares jumped 19.65% to $14.25 after the company announced its plans to acquire rights to Phase II clinical compound from Novartis NVS. Novartis will purchase $25 million of Vanda common stock. Chesapeake Energy Corporation CHK shares rose 4.45% to $19.24 in pre-market trading after the company announced a $1 billion buyback plan. The company also closed the sale of Southern Marcellus and Utica Shale assets for net proceeds of $4.975 billion. Cypress Semiconductor Corporation CY shares surged 4.13% to $15.12 in pre-market trading after gaining 1.33% on Monday. Walgreen Co. WAG shares jumped 2.87% to $76.40 in pre-market trading after the company reported stronger-than-expected fiscal first-quarter earnings.