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NEW YORK, May 18 (Reuters) - Wall Street closed flat on Wednesday after a volatile session, buoyed by a rally in bank shares after the minutes from the Federal Reserve's April meeting signaled a potential near-term interest rate increase.
The Dow Jones industrial average fell 3.43 points, or 0.02 percent, to 17,526.55, the S&P 500 gained 0.41 point, or 0.02 percent, to 2,047.62, and the Nasdaq Composite added 23.39 points, or 0.5 percent, to 4,739.12. (Reporting by Chuck Mikolajczak; Editing by Leslie Adler)