Wall Street rose at the open on Wednesday as a slew of new corporate deals and a surge in bailed out U.S. financial stocks boosted investor sentiment.

The Dow Jones industrial average <.DJI> was up 16.71 points, or 0.16 percent, at 10,581.09. The Standard & Poor's 500 Index <.SPX> gained 2.45 points, or 0.21 percent, at 1,142.90. The Nasdaq Composite Index <.IXIC> rose 5.62 points, or 0.24 percent, at 2,346.30.

(Reporting by Angela Moon; editing by Jeffrey Benkoe)