Fears of a full-blown trade war between the United States and China battered Asian shares again on Monday, keeping the safe haven yen near a 16-month peak as investors fretted over the fate of global growth.
Japan's Nikkei stumbled 0.9 percent to a near six-month trough in early trade, due in part to worries over the stronger yen squeezing export earnings.
Australian shares declined 0.5 percent to their lowest since early October.
MSCI's broadest index of Asia-Pacific shares outside Japan slipped 0.1 percent for their fourth consecutive day in the red.
The index is headed for its first quarterly loss since late 2016 as the risk of faster U.S. rate rises and the specter of a trade war spooked investors who had enjoyed a multi-year bull run.