Wall Street edged higher at the open on Monday as investors were wary of taking bets that could erode gains heading into year-end.

The Dow Jones industrial average <.DJI> was up 16.02 points, or 0.15 percent, at 10,536.12. The Standard & Poor's 500 Index <.SPX> added 1.85 points, or 0.16 percent, at 1,128.33. The Nasdaq Composite Index <.IXIC> rose 2.83 points, or 0.12 percent, at 2,288.52.

(Reporting by Edward Krudy; editing by Jeffrey Benkoe)