July 24 (Reuters) - Wall Street's main indexes opened

subdued on Friday after a tech-led selloff in the previous

session, as investors digested fresh earnings, escalating Middle

East tensions and a new tariff announcement from the Trump

administration.

The Dow Jones Industrial Average rose 79.7 points, or

0.15%, at the open to 51791.37. The S&P 500 fell 2.0

points, or 0.03%, at the open to 7406.3​, while the Nasdaq

Composite dropped 30.3 points, or 0.12%, to 25107.384 at

the opening bell.