May 21 (Reuters) - The tech-heavy Nasdaq and the

benchmark S&P 500 opened lower on Tuesday amid policy caution

from Federal Reserve officials ahead of the central bank's

meeting minutes and as investors awaited AI chip leader Nvidia's ( NVDA )

earnings this week.

The Dow Jones Industrial Average fell 2.37 points, or

0.01%, at the open to 39,804.40. The S&P 500 opened lower

by 9.44 points, or 0.18%, at 5,298.69, while the Nasdaq

Composite dropped 58.78 points, or 0.35%, to 16,736.10

at the opening bell.

(Reporting by Ankika Biswas in Bengaluru; Editing by Devika

Syamnath)