AP Top Business News at 1:31 p.m. EST

Pfizer says COVID booster offers protection against omicron

Instagram CEO faces senators amid anger over potential harm

'Pharma Bro' firm reaches $40M settlement in gouging case

$56K Alzheimer’s drug avoiding Biden’s cost curbs, for now

Major outage at Amazon disrupts businesses across the US

Flood insurance costs rise in areas once deemed lower risk

Stocks turn choppy on Wall Street after a two-day rally

Serbia moves to defuse protests over Rio Tinto lithium mine

EU unveils trade sanction plan to counter foreign coercion

CP shareholders back $31B purchase of Kansas City Southern