US benchmark equity indexes ended Tuesday on a mixed note amid escalating Russia-Ukraine tensions and anticipation of Nvidia’s (NVDA) quarterly earnings. The Nasdaq Composite climbed 1% to close at 18,987.5, while the S&P 500 added 0.4% to reach 5,917. Meanwhile, the Dow Jones Industrial Average slipped 0.3% to 43,268.9. Technology stocks led the gains, while […]