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.

Asia shares mostly fell in Monday trading as worries grow about President Donald Trump imposing tariffs on key U.S. trading partners.Japan's benchmark Nikkei 225 lost 2.7% to finish at 38,520.09. Australia's S&P/ASX 200 declined 1.

Solid results from Apple are buoying spirits, as investors brace for PCE inflation and weigh Trump's renewed tariff threat.

Stock market returns under presidential administrations are more correlation than causation, regardless of what political pundits say.

Thursday's coverage included more tech earnings, focus on Trump's latest on potential tariffs and more analysis around Monday's DeepSeek Dive.

European shares slid on Monday, joining a worldwide selloff sparked by fears that U.S. President Donald Trump's tariffs on Canada, Mexico and China mark an opening salvo in a global trade war that would curb economic growth internationally.

Asia markets slumped on Monday after Donald Trump slapped tariffs on Canada, Mexico and China, sparking fears that another bruising ‘America First’ trade war that could hit global growth.

Investors are bracing for a potential trade war that could hit the earnings of major companies and dent global growth. Canada and Mexico have said that they will hit back with retaliatory tariffs while China promised to respond with "corresponding countermeasures" and vowed to challenge Trump's move at the World Trade Organization.