CNBC Daily Open: Private credit fears and U.S.-Iran tensions pressure Wall Street

Traders work on the floor at the New York Stock Exchange (NYSE) in New York City, U.S., Feb. 19, 2026.U.S. markets had a shaky Thursday, pressured by Washington's escalating tensions with Iran and renewed worries over private credit. White House press secretary Karoline Leavitt said Wednesday that there were "many reasons and arguments that one could make for a strike against Iran," and President Donald Trump said Thursday he will decide within 10 days whether to take action.Concerns over oil supply in the ...