Dow sinks, Nasdaq flips positive as Trump tariffs take effect, trade war escalates
US markets have eliminated all their post-election gains as stocks deepen their sell-off with fresh tariffs on Canada, Mexico, and China now officially in effect. The S&P 500 (^GSPC) has erased about $3.3 trillion in market cap since its record closing high of 6,144.15 on Feb. 19. At that time, the benchmark index’s post-election gains […]









