Dow's worst losing streak of the year

(CNN) -- U.S. stocks closed lower for a third straight day Wednesday, marking the Dow's worst losing streak this year.

The Dow Jones industrial average, which initially jumped more than 100 points, finished down more than 120 points, or 0.8%, falling below the key 15,000 level once again. The 3-day slide was the blue chip index's first one of the year.

The S&P 500 also slipped 0.8%, while the Nasdaq tumbled more than 1%.

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