US stocks today: US stocks end higher as AI rally lifts Nasdaq ahead of Fed decision

US stocks saw gains as renewed optimism about artificial intelligence lifted chipmakers while corporate earnings were evaluated. Although concerns about AI spending persist, news of Anthropic's IPO provided a relief rally for the sector. The Federal Reserve began its policy meeting, with expectations for interest rates to remain unchanged. Nearly half of S&P 500 companies reported earnings, with many exceeding estimates while some major firms faced declines.