By Ovunc Kutlu
NEW YORK (AA) - The stock market opened lower on Tuesday following concern over geopolitical tensions.
The Dow lost 5 points to start the day at 20,652 points, and the S&P 500 fell 3 points to open at 2,353 points.
The Nasdaq decreased 5 points to begin trading at 5,875 points.
The rising geopolitical tensions in North Korea and Syria worry investors, who have taken a sell-off position in the market, according to experts.