Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga April 08, 2014 at 08:27 AM EDT Arotech (NASDAQ: ARTX) shares gained 6.96% to $5.07 in the pre-market after rising 0.42% on Monday. A. Schulman (NASDAQ: SHLM) shares ... Read More >> Related Stocks: Arotech Corp Bioplus Acquisition Corp Cl A Schulman A Inc