Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga October 21, 2015 at 08:19 AM EDT KLA-Tencor Corp (NASDAQ: KLAC) shares climbed 15.58 percent to $62.25 in pre-market trading. Lam Research Corporation (NASDAQ: LRCX) ... Read More >> Related Stocks: Biogen Idec Energy Recovery Inc KLA-Tencor Corp Lam Research SanDisk Corp Western Digital