NEW YORK, Aug. 13 (Xinhua) -- U.S. stocks opened slightly higher on Monday as concerns over the future of Turkey's economy continued to weigh on the market.

Shortly after the opening bell, the Dow Jones Industrial Average rose 28.63 points, or 0.11 percent, to 25,341.77. The S&P 500 was up 3.05 points, or 0.11 percent, to 2,836.33. The Nasdaq Composite Index increased 10.50 points, or 0.13 percent, to 7,849.61.

The Turkish lira plunged 20 percent against the U.S. dollar after U.S. President Donald Trump on Friday authorized the doubling of tariffs on steel and aluminum products from Turkey.

U.S. stocks post mixed weekly results in the week ending Aug. 10 as investors kept an eye on geopolitical tensions and major U.S. economic data.

For the past week, the Dow Jones Industrial Average erased 0.6 percent, the S&P 500 decreased 0.3 percent, and the Nasdaq gained 0.4 percent. Enditem