Asian shares advanced Tuesday after China and the United States announced a 90-day truce in their trade war, but the gains were tempered by uncertainties over the longer term, as analysts warned President Donald Trump’s policies could still quickly change.

Asian stocks joined the global rally and the U.S. dollar held on to most of its gains on Tuesday as investors heaved a sigh of relief after a temporary halt in the trade war between the U.S. and China eased worries of a global recession.