Asian shares dither, U.S. dollar falls as trade angst persists amid tariffs

Open this photo in gallery: U.S. President Donald Trump and Chinese President Xi Jinping will likely speak this week about trade between their two countries.Kevin Lamarque/Reuters Asia shares edged cautiously higher on Tuesday while the U.S. dollar fell to a six-week low as the country's erratic trade policies clouded over markets and investors turned defensive ahead of key developments later in the week. U.S. President Donald Trump and Chinese leader Xi Jinping will likely speak this week, White House press secretary Karoline Leavitt said on Monday, days after Trump accused China of violating an agreement to roll back tariffs and…