CNBC Business

Dow futures dropped sharply Tuesday as investors reassessed risks associated with the new Covid omicron variant.

U.S. futures are sliding, following Asian and European markets lower, on concerns that the new omicron Covid-19 variant could potentially evade vaccines.

Altria and Philip Morris International are no longer able to sell or import Iqos tobacco devices in the U.S. after a deadline passed.

These are the stocks posting the largest moves in premarket trading.

Global hopes are being pinned on vaccine makers to come up with shots that work against the new strain.

Strategists and economists are cautioning investors against hasty action.

"The idea is to buy ourselves time if omicron does turn out to be an immune-evading variant," Dr. Celine Gounder told CNBC.

The cost of private jet charters can vary wildly. Here's why, and what new converts paid for their first flights during the pandemic.

BMW said the production car, called the BMW XM, will be available exclusively as a plug-in hybrid electric vehicle under the company's "M" performance unit.

"I'm not necessarily saying the economy will be able to keep on chugging without overheating now ... but it's a real possibility," the "Mad Money" host said.

Ghislaine Maxwell and Jeffrey Epstein socialized with Donald Trump, Bill Clinton, Prince Andrew and other celebrities years before their sex crime arrests.

"Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

"We don't have final numbers, but Shopify merchants have now surpassed last year's sales of $5.1 billion globally," President Harley Finkelstein told CNBC.

CNBC's "Trading Nation" asked two market watchers where they're investing in the consumer given Covid's strangle on the return to normalcy.

"When I say trust the science, that doesn't necessarily mean ... buy the stock market. But it most certainly means do not panic," the "Mad Money" host said.

Commerce Secretary Gina Raimondo said the House needs to "immediately" pass a bill supporting U.S. production of semiconductor chips, to ease the shortage.

The Covid omicron variant is likely to spread further and poses a "very high" global risk, according to the World Health Organization.

The CDC strengthened its Covid vaccine booster recommendation Monday, saying all U.S. adults "should" get the shot, amid concern about the omicron variant.

Travel surged over Thanksgiving week but now major carriers have to grapple with new restrictions because of the omicron variant of the coronavirus.

The U.S. on Monday began to temporarily bar visitors from South Africa, where scientists first reported the variant, and seven other African countries.