Feb 11 (Reuters) - Wall Street's main indexes opened

lower on Tuesday, as investors awaited a testimony from Federal

Reserve Chair Jerome Powell for insight on tariffs and their

impact on inflation in the world's biggest economy.

The Dow Jones Industrial Average fell 69.0 points, or

0.16%, at the open to 44,401.38. The S&P 500 fell 17.1

points, or 0.28%, at the open to 6,049.32​, while the Nasdaq

Composite dropped 112.2 points, or 0.57%, to 19,602.112

at the opening bell.

(Reporting by Shashwat Chauhan in Bengaluru; Editing by Devika

Syamnath)