UPDATE: Pacific Crest Downgrades KLA-Tencor By: Benzinga via Benzinga April 08, 2014 at 15:41 PM EDT On Tuesday, Pacific Crest downgraded shares of KLA-Tencor (NASDAQ: KLAC) from Outperform to Sector Perform as the stock flirts with the ... Read More >> Related Stocks: KLA-Tencor Corp