May 17 (Reuters) - Wall Street's main indexes opened

slightly higher on Friday, heading for weekly gains on growing

expectations of U.S. interest-rate cuts this year.

The Dow Jones Industrial Average rose 42.34 points,

or 0.11%, at the open to 39,911.72.

The S&P 500 opened higher by 6.00 points, or 0.11%,

at 5,303.10, while the Nasdaq Composite gained 10.17

points, or 0.06%, to 16,708.49 at the opening bell.

(Reporting by Bansari Mayur Kamdar in Bengaluru; Editing by

Devika Syamnath)