TOKYO (AP) — 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 1.8% to 8,379.40. South Korea's Kospi dropped 2.5% to 2,453.95. Hong Kong's Hang Seng dipped 0.3% to 20,160.42, while trading was closed in Shanghai for a holiday. Analysts said Asian markets were bracing for volatility set off by a possible trade war escalation. “The implications for trade restrictions could result in reduced global trade flows, supply chain shifts which could mean higher...