April 29 (Reuters) - The S&P 500 and the Nasdaq fell at

the open on Tuesday, while the Dow was flat as investors

assessed a mixed bag of corporate earnings and the latest

developments in the U.S.-China trade war.

The Dow Jones Industrial Average rose 6.4 points, or

0.02%, at the open to 40,233.98. The S&P 500 fell 19.9

points, or 0.36%, at the open to 5,508.87​, while the Nasdaq

Composite dropped 95.4 points, or 0.55%, to 17,270.757

at the opening bell.

(Reporting by Lisa Mattackal in Bengaluru; Editing by Devika

Syamnath)