BANGKOK (AP) — Shares were mixed Tuesday in Asia after U.S. stocks fell sharply just ahead of a new round of higher tariffs imposed by U.S. President Donald Trump , which China hit back at with higher duties on U.S. farm exports . U.S. BANGKOK (AP) — Shares were mixed Tuesday in Asia after U.S. stocks fell sharply just ahead of a new round of higher tariffs imposed by U.S. President Donald Trump, which China hit back at with higher duties on U.S. farm exports. U.S. futures were little changed and oil prices declined. Tariffs of 25% on Canada and...