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Wall Street extends losses
The Nasdaq gave up its initial gains at the open.
The Dow Jones industrial average was down 53.66 points, or 0.54 percent, at 9,832.14. The Standard & Poor's 500 Index was down 7.19 points, or 0.67 percent, at 1,069.00. The Nasdaq Composite Index was down 5.16 points, or 0.24 percent, at 2,133.98. (Reporting by Angela Moon; Editing by Padraic Cassidy)