Benzinga's Top Pre-Market NASDAQ Gainers

GT Solar International Inc SOLR shares advanced 8.20% to $13.19 in the pre-market session. SOLR today celebrated the grand opening of its new state-of-the-art sapphire production facility located in Salem, Massachusetts. DryShips Inc DRYS shares advanced 3.46% to $3.89 in the pre-market session. DRYS' PEG ratio is 0.44. Sina Corporation SINA climbed 2.64% to $88.38 in the pre-market session. SINA's trailing-twelve-month operating margin is 22.30% ASML Holding NV ASML jumped 2.41% to $37.39 in the pre-market session. ASML's trailing-twelve-month ROE is 53.86%. Read more from Benzinga's Markets.