EMERGING MARKETS-Asian currencies retreat after bonds rally; US fiscal, trade concerns persist
* Malaysian ringgit falls 0.3% after reaching 3-week high * Thai baht weakens 0.4% * Thailand equities at 1-month low (Updates for afternoon trade) By Himanshi Akhand May 27 (Reuters) - Asian currencies reversed course to trade lower on Tuesday as a rally in global bonds whipsawed markets that remained concerned about U.S. fiscal health and President Donald Trump's erratic trade policies. The Malaysian ringgit fell 0.3% against a stronger dollaer after reaching a three-week high earlier in the session. The Singaporean dollar, Indonesian rupiah, and the Indian rupee weakened...