Nvidia’s surge leads some to talk of a bubble, WSJ reports

Nvidia’s massive surge has pushed the stock market to record highs but has also led some on Wall Street to start believing the stock may bubble, Charley Grant of The Wall Street Journal reports. Nvidia continues to report record profits, demonstrating the enthusiasm over artificial intelligence in not unwarranted. Some analysts, however, have begun to worry demand for chips from large tech companies may not hold up in upcoming years. Nvidia said one company accounted for nearly a fifth of sales last year and fresh competition will likely emerge, resulting in fewer sales or lower margins.