U.S. stocks close mixed before Nvidia results

NEW YORK, Nov. 19 (Xinhua) -- U.S. stocks ended mixed on Tuesday, as Wall Street appeared to downplay fears of a nuclear escalation stemming from the Russia-Ukraine conflict, while Nvidia's solid rise bolstered the tech-heavy Nasdaq.

The Dow Jones Industrial Average fell 120.66 points, or 0.28 percent, to 43,268.94, slipping for its fourth trading day in a row. The S&P 500 added 23.36 points, or 0.40 percent, to 5,916.98. The Nasdaq Composite Index increased 195.66 points, or 1.04 percent, to 18,987.47, aided by shares of Nvidia.