March 27 (Reuters) - Wall Street's main indexes gained

at the open on Wednesday as chipmakers and growth stocks

rebounded in light trading ahead of crucial economic data,

commentary from the Federal Reserve's policymakers and a long

holiday weekend.

The Dow Jones Industrial Average rose 179.65 points,

or 0.46%, at the open to 39,461.98.

The S&P 500 opened higher by 22.73 points, or 0.44%,

at 5,226.31, while the Nasdaq Composite gained 109.06

points, or 0.67%, to 16,424.76 at the opening bell.

(Reporting by Shashwat Chauhan in Bengaluru)