Wall St ends higher on renewed tech vigour

The Dow rose 370.44 points, or 0.76%, to 49,174.50, the S&P 500 gained 52.32 points, or 0.77%, to 6,890.07 and the Nasdaq gained 236.41 points, or 1.05%, to 22,863.68. — Reuters

NEW YORK: Wall Street closed higher on Tuesday, with tech stocks leading the charge as renewed enthusiasm for artificial intelligence offset concerns over potential disruptions caused by the nascent technology.

Speculation regarding AI's possible impact on a wide variety of sectors has prompted oversized moves in stocks and indexes in recent weeks, with Monday's steep decline the latest example of on-again, off-again risk appetite amid these uncertainties.