证券时报·2025-09-18 23:57Market Performance - US stock markets reached historical highs on September 18, with the Dow Jones up 0.27% at 46,142.42 points, the S&P 500 up 0.48% at 6,631.96 points, and the Nasdaq up 0.94% at 22,470.73 points [1] Company News - Intel's stock surged by 22.77%, while Nvidia's stock increased by 3.49%. Nvidia announced a $5 billion investment to purchase Intel common stock at $23.28 per share, focusing on developing AI systems for data centers and integrating Nvidia's graphics technology into Intel's next-generation computer chips [4] - Other tech stocks showed mixed performance, with Applied Materials (AMAT) and ASML rising over 6%, Micron Technology up over 5%, while Netflix fell over 1% and Tesla dropped over 2% [4] - Chinese concept stocks generally declined, with the Nasdaq Golden Dragon China Index down 1.79%. Notable declines included Alibaba and Li Auto down over 2%, and Bilibili down over 3% [4] Federal Reserve Developments - The Federal Reserve is undergoing a significant workforce reduction of 10%, aiming to return to employee levels from a decade ago. Chairman Jerome Powell welcomed constructive criticism but deemed a formal review unnecessary [6] - The US government requested the Supreme Court to allow President Trump to dismiss Federal Reserve Governor Lisa Cook, who has faced allegations of mortgage fraud. Cook has denied any wrongdoing and has filed a lawsuit [2][7][8]