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In commodities trading, oil rose 48 cents to $93.61 a barrel. Gold rose $20.20, or 1.5 percent, to $1,411.50 an ounce. The dollar fell against the euro and the Japanese yen.

In government bond trading, the yield on the 10-year note was unchanged at 2.12 percent.

Among other stocks making big moves:

• EMC, a data storage equipment maker, rose $1.25, or 5.3 percent, to $24.91 after the company said it will ramp up its stock buyback program and begin paying a quarterly dividend.

• Big Lots, a discount store chain, fell $3.37, or 9 percent, to $35.02 after the company reported a 21 percent drop in quarterly income and lowered its full-year revenue forecast.