After weak Chinese economic data drove stocks down sharply on Monday, the People's Bank of China on Tuesday injected $20 billion into the financial system in a bid to help its markets. Wal Mart Stores Inc shares, up 2.4 percent at $62.92, helped to lift both the Dow and S&P 500, though Monday's big selloff and renewed worries about China have contributed to caution about the year ahead. The Dow Jones industrial average rose 9.72 points, or 0.06 percent, to 17,158.66, the S&P 500 gained 4.05 points, or 0.2 percent, to 2,016.71 and the Nasdaq Composite dropped 11.66 points, or 0.24 percent, to 4,891.43.
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Wall Street stabilizes after Monday’s steep declines