U.S. stock-index futures tumbled late Sunday after President Vladimir Putin raised Russia’s nuclear alert level following stinging new sanctions over the Russian invasion of Ukraine.
Dow Jones Industrial Average futures
YM00,
plunged more than 500 points immediately after trading began late Sunday, but recovered somewhat and were last down around 400 points, while S&P 500 futures
ES00,
and Nasdaq-100 futures
NQ00,
fell even more sharply.
Chaos is expected in Russian markets
RU:MOEX
when they open Monday, after the U.S. and its allies on Saturday vowed to remove major Russian banks from the SWIFT interbank messaging network, effectively cutting them off from the global financial network. Some experts speculated about runs on Russian banks…