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

sharply lower on Wednesday after data showed the world's largest

economy contracted in the first quarter, amplifying worries

about the economic hit from President Donald Trump's tariff

policies.

The Dow Jones Industrial Average fell 237.2 points,

or 0.59%, at the open to 40,290.41. The S&P 500 fell 61.4

points, or 1.10%, at the open to 5,499.44​, while the Nasdaq

Composite dropped 361.3 points, or 2.07%, to 17,099.977

at the opening bell.

(Reporting by Lisa Mattackal in Bengaluru; Editing by Devika

Syamnath)