Top executives from the world’s largest commodity trading houses and major energy firms are joining analysts at the biggest Asian industry event this week, days after crude oil prices hit their highest level this year. The Asia Pacific Petroleum Conference (APPEC) by S&P Global Commodity Insights will see from Monday to Wednesday the participation of many top executives in the petroleum industry, including Russell Hardy, CEO at the world’s largest independent trader Vitol, Ben Luckock, Co-Head of Oil Trading at another major trading…