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US STOCKS SNAPSHOT-Wall St tumbles on manufacturing drop

NEW YORK, Oct 1 (Reuters) - The Dow and S&P 500 had their worst tumble in over a month on Tuesday after data showed U.S. factory activity shrank in September to its weakest in more than a decade, ratcheting up fears that a U.S.-China trade war could hobble the world's largest economy.

The Dow Jones Industrial Average fell 343.93 points, or 1.28%, to 26,572.9, the S&P 500 lost 36.56 points, or 1.23%, to 2,940.18 and the Nasdaq Composite dropped 90.65 points, or 1.13%, to 7,908.69. (Reporting by Chuck Mikolajczak)