Benzinga's Top #PreMarket Gainers

Abengoa SA (ADR) ABGB shares climbed 24.37 percent to $5.46 in pre-market trading after gaining 7.33 percent on Monday. Acorda Therapeutics Inc ACOR gained 24.31 percent to $36.00 in pre-market trading after the company reported that the Patent Trials and Appeal Board has denied both inter partes reviews of AMPYRA patents. Best Buy Co Inc BBY shares rose 13.39 percent to $33.19 in pre-market trading after the company reported stronger-than-expected results for its fiscal second quarter. Exelixis, Inc. EXEL shares rose 12.99 percent to $5.74 in pre-market trading after dropping 3.24 percent on Monday. Canadian Solar Inc. CSIQ shares rose 10.32 percent to $17.96 in pre-market trading after declining 6.44 percent on Monday.