72-year-old valedictorian inspires young to study stockbot 0 107 2022.08.08 11:29 https://vietnamnews.vn/society/1275701/72-year-old-valedictorian-inspi… + 10 https://vietnamnews.vn/rss/society.rss + 11 Trịnh Đức Chinh has just graduated top of his class at the University of Economics and Finance HCMC with a Master's degree in Business Administration.