Nvidia's forecast dampens AI enthusiasm in other tech stocks

Aug 28 (Reuters) - Shares of Nvidia (NVDA.O) and other technology heavyweights fell late on Wednesday, a discouraging sign for investors betting that a strong forecast from the dominant seller of AI chips would fuel fresh gains in Wall Street's most valuable companies. Nvidia dropped 6% and lost over $180 billion in stock market value following its earnings report , this week's centerpiece event on Wall Street, while a handful of other AI-related companies shed around $100 billion in combined value. It forecast third-quarter gross margins that could miss market...