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US STOCKS SNAPSHOT-Wall St ends slightly lower; investors stay to sidelines

NEW YORK, Nov 21 (Reuters) - U.S. stock indexes dipped slightly on Thursday as investors moved to the sidelines with mixed messages and no concrete signs of progress on U.S.-China relations.

Based on the latest available data, the Dow Jones Industrial Average fell 55.2 points, or 0.2%, to 27,765.89, the S&P 500 lost 4.99 points, or 0.16%, to 3,103.47 and the Nasdaq Composite dropped 20.52 points, or 0.24%, to 8,506.21. (Reporting by Caroline Valetkevitch; Editing by Sandra Maler)