New China tariffs announced during government shutdown and AI valuation debate are a ‘perfect storm coming together,' top economist says FortuneTrump's new 100% tariffs on China triggered an $18 billion crypto sell-off CNNCrypto's Record Selloff Sparks Intrigue Over Who Got Wiped Out Bloomberg.comMarket sell-off: Trump post lops off $2 trillion from stocks in a single day CNBC