US STOCKS SNAPSHOT-Wall St opens lower as Middle East uncertainty tempers rally

March 24 (Reuters) - Wall Street's main indexes opened lower on Tuesday as renewed doubts over easing Middle East tensions tempered the previous session's relief rally despite President Donald Trump's decision to delay strikes on Iran's power grid.

The Dow Jones Industrial Average .DJI fell 108.6 points, or 0.24%, at the open to 46,099.86. The S&P 500 .SPX fell 28.9 points, or 0.44%, to 6,552.09​, while the Nasdaq Composite .IXIC dropped 139.2 points, or 0.63%, to 21,807.597.