The Japanese merchandise trade balance surplus widened to 545.3 billion yen in December compared with a prior revised 371.3 billion yen from 373.9 billion yen, while it came lower than analysts' expects of 610.0 billion yen. The adjusted merchandise trade balance came in at 522.8 billion yen from 492.4 billion yen, and it was anticipated to record 633.3 billion yen.