Benzinga's Top #PreMarket Gainers

JA Solar Holdings Co JASO soared 16.46% to $13.30 in the pre-market trading on strong quarterly earnings report. JA Solar reported its Q4 earnings of $0.16 per share on revenue of $357.30 million. SINA SINA surged 9.77% to $70.90 in the pre-market session on $500 million Weibo IPO filing. Ballard Power Systems BLDP shares gained 4.04% to $5.92 in the pre-market after dropping 4.85% on Friday. Yahoo! YHOO shares jumped 2.93% to $38.70 in pre-market trading on announcement of Alibaba New York IPO.