U.S. stocks ended with minor losses Monday amid low volumes, as investors moved cautiously ahead of central bank meetings and some key data releases later this week. The Dow Jones Industrial Average lost 2.7 points, or 0.02%, to 13,073, led by a 2% drop in J.P. Morgan Chase & Co. shares. The S&P 500 fell less than 1 point, or 0.1%, to 1,385. The Nasdaq Composite fell 12 points, or 0.4%, to 2,946. Volume in New York Stock Exchange-listed shares was 3.2 billion. Nasdaq-composite volume was 1.5 billion. Both were under the past month's average.

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