Benzinga's Top #PreMarket Losers

NewLead Holdings

dipped 7.05% to $4.09 in pre-market trading after jumping 32.93% on Wednesday. Weibo

dropped 6.91% to $18.85 in pre-market trading as the company's first-quarter bottom-line figure beat but guidance looked light. Best Buy Co

shares dropped 5.72% to $23.90 in pre-market trading after the company reported better-than-expected first-quarter earnings. However the company projected a drop in its same-store sales in the second and third quarters. SINA

shares fell 4.45% to $45.73 in pre-market trading after the company reported weaker-than-expected first-quarter earnings and issued a weak forecast.