March 7 (Reuters) - Wall Street's main indexes opened

lower on Friday after data showed less-than-expected improvement

in job growth in February, while investors awaited comments from

Federal Reserve Chair Jerome Powell.

The Dow Jones Industrial Average fell 76.0 points, or

0.18%, at the open to 42,503.07. The S&P 500 fell 12.5

points, or 0.22%, at the open to 5,726.01​, while the Nasdaq

Composite dropped 39.4 points, or 0.22%, to 18,029.848

at the opening bell.

(Reporting by Johann M Cherian in Bengaluru; Editing by

Shinjini Ganguli)