US stocks trimmed early losses to close mixed as investors assessed the impacts of explosions in Brussels, Belgium, that left at least 34 people dead.
The Dow Jones Industrial Average dipped 41.30 points, or 0.23 percent, to 17,582.57 on Tuesday, Xinhua news agency reported.
The S&P 500 edged down 1.80 points, or 0.09 percent, to 2,049.80. The Nasdaq Composite Index rose 12.79 points, or 0.27 percent, to 4,821.66.
Oil volatility was also in focus on Tuesday.
Oil prices initially fell more than 1 percent after the explosions, then recovered most of the loss to settle mixed as market saw the crude supply glut to ease.
On the US economic front, the seasonally adjusted Markit Flash US Manufacturing Purchasing Managers' Index (PMI) came in at 51.4 in March, missing the market consensus of 52.4.
