S&P 500 closes higher to start new quarter as traders await Trump's tariff rollout: Live updates CNBCS&P 500 Wipes Out Gain as Tariff Anxiety Brews: Markets Wrap Bloomberg.comStocks edge higher, gold soars as markets eye Trump tariffs ReutersMarket closes higher in run-up to Trump's tariff announcement QuartzStock market today: More swerves hit Wall Street as Trump's "Liberation Day" nears