US markets tumble toward more big losses after China retaliates with an 84% tariff on US goods

By ELAINE KURTENBACH and MATT OTT, Associated Press Business Writers
U.S. stock futures were sinking again in premarket trading after massive U.S. tariffs against China kicked in overnight, followed by China retaliating with a huge tariff increase on U.S. imports. Oil prices tumbled to their lowest level in more than four years and a huge sell-off in U.S. Treasurys sent bond yields soaring.
Futures for the S&P 500 fell 2% before the bell to 4,914.50. If those losses hold and the index c