Stocks rose modestly on Tuesday as resource shares rose alongside commodity prices and ahead of a Federal Reserve statement expected to reiterate the central bank's pledge to keep interest rates extraordinarily low.

* The Dow Jones industrial average <.DJI> added 3.10 points, or 0.03 percent, to 10,645.25. The Standard & Poor's 500 Index <.SPX> rose 1.73 points, or 0.15 percent, to 1,152.24. The Nasdaq Composite Index <.IXIC> gained 3.21 points, or 0.14 percent, to 2,365.42.

(Reporting by Leah Schnurr)