Jan 14 (Reuters) - Wall Street's main indexes opened

higher on Tuesday, as investors assessed softer-than-expected

producer inflation to gauge the Federal Reserve's monetary

policy trajectory this year.

The Dow Jones Industrial Average rose 69.3 points, or

0.16%, at the open to 42,366.42. The S&P 500 rose 23.1

points, or 0.39%, at the open to 5,859.27​, while the Nasdaq

Composite rose 119.6 points, or 0.63%, to 19,207.748 at

the opening bell.