U.S. stocks are opening lower, reversing a gain from the day before, following declines in European markets.

Indexes fell broadly in Europe Tuesday as investors fretted about the continued decline of the euro against the dollar. The prospect of higher rates in the U.S. and easier monetary policy in Europe has caused the euro to weaken.

The Dow Jones industrial average fell 140 points, or 0.8 percent, to 17,859 as of 9:35 a.m. Eastern time.

The Standard & Poor's 500 index fell 15 points, or 0.8 percent, to 2,063. The Nasdaq composite lost 44 points, or 0.9 percent, to 4,899.

The price of oil fell 73 cents to $49.29 a barrel in New York.

Bond prices rose. The yield on the 10-year Treasury note fell to 2.13 percent.