U.S. stock benchmarks extended a powerful two-session rally Tuesday, as Wall Street focused on early reports that the omicron variant of coronavirus that causes COVID-19 is less severe than originally feared. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +0.98% closed up 492 points, or 1.4%, bringing its two-day tally to 1,138 points, marking the best two-day gain since November of 2020. The S&P 500 index /zigman2/quotes/210599714/realtime SPX +1.30% also finished with a sharp advance of 2.1% to 4,687, to mark its best day since March 1, while the Nasdaq Composite Index /zigman2/quotes/210598365/realtime COMP +1.58% climbed over 3% to clinch its best one-day gain since March 9, FactSet data show. All sectors of the S&P 500 ended in positive territory, with rallies in energy /zigman2/quotes/206420077/composite XLE +3.46% and information technology /zigman2/quotes/207444675/composite XLK +0.81% , areas of the market that have seemed the most beaten down of late, helping to propel U.S. stocks higher.


