July 7 (Reuters) - Wall Street's main indexes opened

lower on Monday as tariff tensions kept investors on edge, while

Tesla shares slid after CEO Elon Musk announced his plans to

launch a political party.

The Dow Jones Industrial Average fell 25.2 points, or

0.06%, at the open to 44,803.36. The S&P 500 fell 20.3

points, or 0.32%, at the open to 6,259.04​, while the Nasdaq

Composite dropped 110.6 points, or 0.54%, to 20,490.55

at the opening bell.

(Reporting by Shashwat Chauhan in Bengaluru)