U.S. stocks drop; Dow dragged by J.P. Morgan

SAN FRANCISCO (MarketWatch)
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