Forbes·2025-09-23 11:57Group 1 - Stock prices reached new record highs, with the S&P 500 rising 0.4%, the Nasdaq Composite increasing by 0.7%, and the Dow Jones Industrial Average gaining 0.1% [2] - Nvidia, the world's largest chip designer, announced an investment of up to $100 billion in OpenAI, the owner of ChatGPT, contributing to the stock-price rally in AI and tech sectors [2] - Oracle is set to participate in the spin-off of TikTok, taking over the platform's algorithm and security, as confirmed by the White House [3] Group 2 - Stock futures showed mixed results ahead of the market open, with S&P 500 and Nasdaq 100 contracts slightly down, while Dow Jones futures were slightly higher [3] - Investors are keenly awaiting insights from Fed Chair Jerome Powell regarding the future of interest rates, amid ongoing conflicts with President Trump over rate reductions [5] - The current stock market strength is largely driven by technology and innovation, with cutting-edge tech companies focusing on R&D and growth rather than paying dividends [6]