Asian stock markets slumped on Monday and U.S. equity futures pointed sharply lower after U.S. President Donald Trump’s tariffs on Canada, Mexico and China triggered fears of a broad trade war and hit to global growth. The U.S. dollar shot to a record high against the Chinese yuan in offshore trading, and jumped to the highest since 2003 against Canada’s currency and the strongest since 2022 versus Mexico’s peso. Japan’s Nikkei share average tumbled as much as 2.3% in the first minutes of trading, and Australia’s benchmark – which often functions as a proxy for Chinese markets – also slumped…