Stocks ended the day mixed Friday, as investors worked through another mixed batch of corporate earnings.

The Bank of Japan disappointed investors with stimulus plans that didn’t go as far as many had hoped. An earlier slump in oil prices reversed, helping the broader market.

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ON WALL STREET: At the close, The Dow Jones industrial average lost 24.1 points, about 0.1 percent, to 18,432.2. The Standard & Poor’s 500 index rose 3.5 points, about 0.2 percent, to nearly 2,173.6, and the Nasdaq composite added 7.2 points, about 0.1 percent, to 5,162.1.

OIL PRICES: In late afternoon, benchmark U.S. crude reversed earlier losses and was up 32 cents at $41.46 a barrel on the New York Mercantile Exchange. In London, Brent crude, used to price international oils, was off 21 cents at $42.49 a barrel.

JAPAN SURPRISE: Japan’s central bank ended a policy meeting Friday by announcing it will expand purchases of exchange traded funds from financial institutions to help inject more cash into the world’s third-largest economy and pursue its 2 percent inflation target. But the measures fell short of hopes for more aggressive action. That helped the yen surge as investors priced in fewer yen in circulation. The dollar dropped to 102.35 yen from 105.45 yen.