Stocks in Asia were mostly down Tuesday, after U.S. President Donald Trump imposed 25% tariffs on all U.S. imports of steel and aluminum. Hong Kong’s Hang Seng index declined 0.87% to 21,335.38, while the Shanghai Composite dipped 0.12% to 3,318.06. Japan markets were closed for a national holiday. Meanwhile, the S&P/ASX 200 in Australia remained largely unchanged and South Korea’s KOSPI was up 0.71% to 2,539.05.