July 5 (Reuters) - Wall Street's main indexes were muted

at the open on Friday after data showed U.S. job growth slowed

to a still-healthy pace in June.

The Dow Jones Industrial Average rose 5.40 points, or

0.01%, at the open to 39,313.40. The S&P 500 opened

higher by 0.89 points, or 0.02%, at 5,537.91, while the Nasdaq

Composite gained 12.30 points, or 0.07%, to 18,200.60 at

the opening bell.