Thailand's trade balance surplus widened to $1,55 million in March compared with a surplus of $440 million in February, and it topped analysts' estimates of $615 million. Exports rose 40.9% in March from a year earlier compare with a prior 23.2%, while forecasts referred to 33.2%. Imports jumped 59.7% in March from 71.2%, and it was anticipated to gain 57.3%.