Lam Research (LRCX) shares ended the last trading session 5.3% higher at $62.20. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 25.2% loss over the past four weeks.The upswing was likely due to a positive update from the Bank of America and the perception that semiconductor companies with strong fundamentals and pricing power will perform well in the current market climate, potentially benefiting from exemptions f ...