U.S. stock indexes are rising toward more records Wednesday after tech companies talked up how much artificial intelligence is boosting their results. The S&P 500 rose 0.3% in morning trading to add to what looks to be one of its best years of the millennium.

The S&P 500 went up 14.77 points or 0.2% to close at 6047.15, a record closing high. It is the index's 54th record close of 2024. The Nasdaq Composite gained 185.78 points or 1% to finish at 19403.95, a record close. It is the index's 33rd record close of 2024.