The stock market is hovering around record highs amid fears that artificial intelligence (AI) could be a bubble.

Tesla stock traded as high as $482.06, which would be a record close for shares. The stock was up 0.8% at $479.11 in midday ...

U.S. stocks drifted lower following mixed data on the economy’s strength. The S&P 500 fell 0.2% Tuesday and remains a bit below its all-time high set last week.

The combination of strong developed ex-U.S. performance and below-par U.S. small-cap performance culminated in a significant ...