US STOCKS SNAPSHOT-Wall St opens higher as investors digest GDP data; Fed verdict awaited

July 30 (Reuters) - Wall Street's main indexes opened higher on Wednesday as investors assessed better-than-expected GDP data, and awaited the Federal Reserve's policy decision and key tech earnings.

The Dow Jones Industrial Average .DJI rose 44.9 points, or 0.10%, at the open to 44,677.9. The S&P 500 .SPX rose 10.4 points, or 0.16%, at the open to 6,381.23​, while the Nasdaq Composite .IXIC rose 42.1 points, or 0.20%, to 21,140.397 at the opening bell.