Benzinga's Top Pre-Market Gainers

Spreadtrum Communications SPRD moved up 21.18% to $27.01 in the pre-market session after the company received a buyout offer from a unit of Tsinghua Holdings Co for $28.50 in cash per ADS. Amarin Corporation plc AMRN surged 4.59% to $6.59 in the pre-market session after the company reported positive results of phase 1 clinical trial of Vascepa plus rosuvastatin. Tesla Motors TSLA soared 2.45% to $103.12 in the pre-market trading. Tesla shares have jumped 197.87% over the past 52 weeks, while the S&P 500 index has gained 19.82% in the same period. Facebook (NASDAQ: FB shares gained 2.22% to $24.43 in the pre-market session after analysts at UBS upgraded the stock from “neutral” to “buy.”