US STOCKS SNAPSHOT-Wall Street opens lower as Trump takes aim at Powell

April 21 (Reuters) - Wall Street's main indexes opened down on Monday after U.S. President Donald Trump's renewed attacks against Federal Reserve Chair Jerome Powell sparked concerns about the central bank's independence and rattled investors grappling with an escalating trade war.

The Dow Jones Industrial Average .DJI fell 236.2 points, or 0.60%, at the open to 38,906.04. The S&P 500 .SPX fell 49.8 points, or 0.94%, at the open to 5,232.94​, while the Nasdaq Composite .IXIC dropped 233.7 points, or 1.43%, to 16,052.764 at the opening bell.