Calm returns to Wall Street as oil prices retreat below $90 per barrel AP NewsRelief Rally Lifts Stocks as Dollar Extends Losses: Markets Wrap BloombergStock market today: Dow, S&P 500, Nasdaq futures fall, oil slides after volatile day on Wall Street Yahoo FinanceInvestors and Trump Face an Iran Dilemma The New York TimesOil prices top $100, FDA leadership change, the wellness boom and more in Morning Squawk CNBC