U.S. stock markets went up on Wednesday (February 18, 2026). The S&P 500, Dow Jones, and Nasdaq all increased after news about Nvidia and Meta. Meta plans to buy many computer chips for artificial intelligence data centers. Investors felt happy because technology companies showed strong results. Some companies reported good profits, which helped the market move higher.

At the same time, some investors feel worried about the high cost of AI projects. Experts say new technology may change many jobs and industries in the future. New reports also showed strong factory activity and more new houses being built. The Federal Reserve said interest rates may stay the same for now until inflation improves. Many investors still hope rates will go down later this year. Markets in London and Tokyo also rose after positive economic news.