Sept 30 (Reuters) - Wall Street's main indexes opened

lower on Monday as investors paused after a rally in the

previous week and exercised caution ahead of numerous job

reports and comments from Federal Reserve policymakers through

the week, including Chair Jerome Powell.

The Dow Jones Industrial Average fell 77.94 points,

or 0.18%, at the open to 42,235.06. The S&P 500 fell

11.43 points, or 0.20%, at the open to 5,726.74​, while the

Nasdaq Composite fell 44.76 points, or 0.25%, to

18,074.83 at the opening bell.