Group 1 - KLA (KLAC) shows stronger revenue growth and profitability compared to Lam Research (LRCX), suggesting it may be a better investment option [1] - KLAC's revenue growth over the last 12 months was 23.9%, while LRCX's was 23.7% [7] - KLAC's average revenue growth over the last 3 years was 10.4%, surpassing LRCX's 3.5% [7] Group 2 - KLAC outperforms LRCX in profitability, with a last twelve months margin of 41.2% and a three-year average of 38.8% [7] - KLAC provides process control, defect inspection, metrology, and data analysis solutions for semiconductor production, while LRCX focuses on semiconductor processing equipment [3]

Group 1 - KLA (NASDAQ: KLAC) stock has experienced five consecutive sessions of gains, increasing by a total of 11% during this period [1][2] - The company's market capitalization has reached approximately $123 billion, with a gain of about $13 billion in value over the last five trading days [4] - KLA's stock is currently 49.0% above its value at the end of 2024, while the S&P 500 has returned 11.1% year-to-date [4] Group 2 - The recent rally in KLA's stock has been driven by expectations of a Federal Reserve rate cut, which has positively impacted sentiment in the tech and semiconductor sectors [2] - Renewed enthusiasm for AI, highlighted by significant deals and Oracle's strong AI cloud compute guidance, has further contributed to the momentum in the semiconductor industry [2] - The current winning streak in KLA's stock may indicate growing investor confidence, which could lead to follow-on buying [5]