U.S. stock benchmarks on Monday staged a partial recovery from Friday's omicron-related selloff to end higher, as President Joe Biden told Americans the fight against the omicron variant of coronavirus won't involve "shutdowns or lockdowns." The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -0.02% closed up 0.7% to 35,136, the S&P 500 index /zigman2/quotes/210599714/realtime SPX -0.54% ended with a 1.3% gain to 4,655, while the Nasdaq Composite Index /zigman2/quotes/210598365/realtime COMP -1.40% advanced 1.9% to 15,782; but large-capitalization stocks powered the rise of the index, with the Nasdaq-100 index /zigman2/quotes/210598364/realtime NDX -1.20% climbing 2.3%. All closing levels are on a preliminary basisd. In corporate news, Twitter Inc. /zigman2/quotes/203180645/composite TWTR +0.65% co-founder Jack Dorsey on Monday announced that he was stepping down as CEO of the social-media platform effective immediately and would be succeeded by the company's chief technology officer Parag Agrawal. Dorsey also is the CEO of payment processor Square Inc. /zigman2/quotes/205989440/composite SQ -4.83% . Shares of Twitter ended down 2.7% while Square's shares gained 0.4%. Dorsey is seen as a big fan of digital currencies such as bitcoin /zigman2/quotes/31322028/realtime BTCUSD +1.60% . In economic news, pending home sales rose 7.5% in October, compared with September, the National Association of Realtors reported Monday. Economists polled by MarketWatch had projected a 0.7% increase for pending home sales in October.