US STOCKS SNAPSHOT-Wall St opens higher after Trump postpones strikes on Iranian power plants

March 23 (Reuters) - Wall Street's main indexes opened higher on Monday as risk appetite returned to markets after U.S. President Donald Trump said he would order the military to postpone strikes against Iranian power plants and energy infrastructure.

The Dow Jones Industrial Average .DJI rose 226.3 points, or 0.50%, at the open to 45,803.82. The S&P 500 .SPX rose 68.5 points, or 1.05%, at the open to 6,574.96​, while the Nasdaq Composite .IXIC rose 348.2 points, or 1.61%, to 21,995.78 at the opening bell.