Wall Street mixed as Federal Reserve meets

NEW YORK (Reuters) - U.S. stocks were mixed on Tuesday as Federal Reserve policymakers kicked off a two-day interest rate meeting and investors braced for quarterly scorecards from Apple and Twitter.

The Dow Jones industrial average fell 19.38 points, or 0.1 percent, to 18,473.68, the S&P 500 gained 0.69 points, or 0.03 percent, to 2,169.17 and the Nasdaq Composite added 12.42 points, or 0.24 percent, to 5,110.05.

(Reporting by Noel Randewich; Editing by Nick Zieminski)