NEW YORK, Jan 4 (Reuters) - Investors abandoned red-hot commodity shares on Tuesday while fears of lower supermarket profits hit food retailers, sending the S&P 500 and Nasdaq lower.
* The Dow Jones industrial average added 20.58 points, or 0.18 percent, to 11,691.33. The Standard & Poor's 500 Index was off 1.70 points, or 0.13 percent, to 1,270.17. The Nasdaq Composite Index slipped 10.27 points, or 0.38 percent, to 2,681.25.
(Reporting by Leah Schnurr; Editing by Kenneth Barry)