S&P 500 struggles for a second day as Trump says no extensions will be granted to Aug. 1 trade deadline: Live updates CNBCWall Street is calling Trump’s bluff CNNTrump doubles down on his Aug. 1 tariff deadline as stocks continue to dip FortuneGlobal stock markets are calling Trump’s bluff on tariffs CNBCWall Street ends mixed amid Trump’s new tariff deadlines Los Angeles Times