U.S. stock index futures struggled for direction on Wednesday, cooling off after a day-earlier rally, as worries lingered about the new Omicron variant of the coronavirus and its impact on global economic recovery.
Wall Street’s main indexes ended with hefty gains on Tuesday, but few market-moving catalysts and thin volumes in the last two weeks of trading this year are seen aiding higher volatility. The S&P 500 index is up roughly 24 percent in 2021.
