The company is in the middle of a political storm concerning sales of high-performance chips and equipment across the Pacific Ocean. News of a top-level effort to curb the activities of certain makers of high-tech components was putting the hurt on KLA (KLAC -1.81%) stock recently. Spooked by the apparent determination to limit such businesses' interaction with a top Asian peer, investors eagerly traded out of KLA. As a result, according to data compiled by S&P Global Market Intelligence, the company's shar ...