By Ovunc Kutlu
NEW YORK (AA) - Wall Street closed lower on Tuesday amid concerns over geopolitical tensions.
The Dow lost six points to end the day at 20,651 points, and the S&P 500 fell three points to 2,353 points.
The Nasdaq decreased 14 points to close trading at 5,866 points.
Rising geopolitical tensions in North Korea and Syria raised concerns for investors, who took a sell-off position in the market on Tuesday, according to experts.