Jan 28 (Reuters) - U.S. stocks fell at open on Monday, as disappointing forecasts from Caterpillar and chipmaker Nvidia set a dour note for an earnings-heavy week that also includes a Federal Reserve meeting and a fresh round of U.S.-China trade talks.
The Dow Jones Industrial Average fell 140.22 points, or 0.57 percent, at the open to 24,596.98.
The S&P 500 opened lower by 19.79 points, or 0.74 percent, at 2,644.97. The Nasdaq Composite dropped 89.85 points, or 1.25 percent, to 7,075.01 at the opening bell. (Reporting by Shreyashi Sanyal in Bengaluru; Editing by Shounak Dasgupta)