So it's up to no good. Guess i better find another target. Shares of both Lam Research Corporation and KLA-Tencor Corp are down 9 percent year-to-date.RBC Capital Markets’ Mahesh Sanganeria has an Underperform rating on Lam Research and a Sector Perform rating on KLA-Tencor.The merger between the two companies is prudent and is likely to receive regulatory approval, Sanganeria said.