Daily Market Update: US Imposes 50% Tariff on Canada as Crypto Rallies and Asian Stocks Fall

Bitcoin rose over 21% for the week, holding above $77,100 as traders await Fed Chair Kevin Warsh's Jackson Hole speech. XRP led crypto gains, up 46% on the week to just under $1.50. The US imposed a 50% tariff on $20 billion of Canadian imports after trade talks collapsed. Asian stocks fell, with Samsung among decliners.