Stocks and safe-haven bonds aren't supposed to sell off in tandem, because owning U.S. government debt has long been a favored play for investors seeking safety during times of tumult. But that's precisely what has unfolded since President Trump announced sweeping tariffs a week ago,

U.S. stocks dove Tuesday following another stunning reversal, with Wall Street veering from a huge gain at the opening of trading to more losses at the close, because investors still have no idea what to make of President Donald Trump’s trade war,