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Doctors have warned that vaccine hesitancy around Covid could be "creeping into" sentiment toward other vaccines.

These are the stocks posting the largest moves before the bell.

The highest bid so far: $18,000, for a signed copy of "My Life on the Road," the memoir of leading feminist activist Gloria Steinem.

"We lost several points of growth because we couldn't get supply in everything we wanted," Logitech CEO Bracken Darrell said on "Mad Money."

The Kansas City Chiefs' overtime win over the Buffalo Bills peaked at 51.6 million viewers and produced one of the most memorable NFL playoff endings.

"It is a stock picker's market," Jim Cramer said Tuesday, so investors should stick with the best-of-breed Union Pacific.

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

"A stock market's like any other market, if you get too much inventory, prices will plummet," the "Mad Money" host said.

A top WHO official warned against theories that the virus will continue to mutate into milder strains that make people less sick than earlier variants.

These are the stocks posting the largest moves after the bell.

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

Returns have ballooned as consumers buy more during the pandemic and make many of those purchases online.

Workplace safety regulator OSHA said it is pulling the vaccine and testing rules for businesses effective Wednesday.

Visitor arrivals and tourism receipts reached 330,000 and an estimated $1.9 billion, respectively in 2021, according to the Singapore Tourism Board.  

We'll have to spend an extra $3.5 trillion a year on physical assets for energy and land-use systems, says a new McKinsey report.

Airbus says it is starting its own cargo airline using its massive Beluga planes.

Brady is the all-time NFL leader in passing yards, completions and passing touchdowns. He has won seven Super Bowls.

While states warn against price gouging, sellers say they're just covering their costs and meeting demand.

Activist hedge fund Macellum Advisors has been asking Kohl's to consider selling itself and now it wants at least one seat on the retailer's board.

The moves better reflect our thinking about Costco, Cisco and Chevron at current prices following the recent swings in the stock market.