Aug 27 (Reuters) - Wall Street's main indexes opened

flat on Wednesday as investors awaited AI leader Nvidia's

results, which are expected to test the momentum of the broader

technology-fueled rally.

The Dow Jones Industrial Average fell 0.6 points, or

flat, at the open to 45,417.46. The S&P 500 fell 3.7

points, or 0.06%, at the open to 6,462.26​, while the Nasdaq

Composite dropped 17.9 points, or 0.08%, to 21,526.334

at the opening bell.