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NEW YORK, Nov 20 (Reuters) - U.S. stocks opened lower on Thursday amid concerns over global growth following weak business data out of the euro zone and a loss of momentum in Chinese factories.
The Dow Jones industrial average fell 61.76 points, or 0.35 percent, to 17,623.97, the S&P 500 lost 6.18 points, or 0.3 percent, to 2,042.54 and the Nasdaq Composite dropped 19.46 points, or 0.42 percent, to 4,656.26. (Reporting by Chuck Mikolajczak; Editing by Bernadette Baum)