An executive of a joint venture of Japanese supermarket chain Aeon Co. in Myanmar has been released after being convicted for violating the rice pricing rules under the country's military government, diplomatic sources said Tuesday.Hiroshi Kasamatsu, 53, the merchandise division chief of Aeon Orange Co., was convicted and sentenced to one year in prison and fined on Monday. It was not immediately clear why he had been freed, according to sources familiar with the matter, who added he is expected to return to Japan soon.He had been held for interrogation in Yangon since June 30 and was indic…READ FULL ARTICLE