NEW YORK (Reuters) - Wall Street's major stock indexes fell on Tuesday, led by technology shares, which were weighed by concerns about regulation of social media and autonomous vehicles.
The Dow Jones Industrial Average (DJI) fell 344.89 points, or 1.43 percent, to 23,857.71, the S&P 500 (SPX) lost 45.93 points, or 1.73 percent, to 2,612.62 and the Nasdaq Composite (IXIC) dropped 211.74 points, or 2.93 percent, to 7,008.81.