US stock indexes close lower, as does the price of crude oil; Weight Watchers slides

Energy Associated Press

Stock prices are closing mostly lower as traders react to lower oil prices and try to guess when interest rates might start to rise.

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Weight Watchers sank 2 percent Tuesday after Credit Suisse downgraded its rating on the stock, saying the company faces tough competition from lower-cost weight loss programs.

The Dow Jones industrial average lost 128 points, or 0.7 percent, to 17,849. The Dow jumped 228 points the day before.

The Standard & Poor's 500 fell seven points, or 0.3 percent, to 2,074. The Nasdaq composite edged up nearly eight points, or 0.2 percent, to 4,937.

The price of oil fell again. U.S. crude is trading at a six-year low.

Bond prices rose. The yield on the 10-year Treasury note fell to 2.06 percent.