
U.S. stocks closed down amid concerns over Syrian situation with Dow Jones Industrial Average dropping 30.64 points, to close at 14,810.31.
S&P 500 dropped 5.20 points, to end at 1,632.97. All key S&P sectors finished in the red for the month, dragged by utilities and financial shares.
Nasdaq composite fell 30.43 points to 3,589.87.