U.S. equity futures tumbled in early Monday trading, while energy prices leaped and the dollar soared to a two-year high against its currency peers as markets reacted to the weekend tariff announcements of President Donald Trump and their potential to trigger a global trade war.

Tariffs are slamming the stock market but there’s still hope that the Trump administration's threatened levies are a negotiating tactic. Expect settlements with Mexico and Canada but Chinese imports to get more costly,