Oct 22 (Reuters) - U.S. stock indexes opened lower on

Tuesday, as rising Treasury yields pressured rate-sensitive

shares, while investors parsed the latest set of company results

to gauge the health of major corporations.

The Dow Jones Industrial Average fell 54.8 points, or

0.13%, at the open to 42,876.84. The S&P 500 fell 21.3

points, or 0.36%, at the open to 5,832.7​, while the Nasdaq

Composite dropped 88.1 points, or 0.48%, to 18,451.861

at the opening bell.