Geopolitical tensions in the Middle East are likely to loom large in the oil market this week. Iran is set to mount a diplomatic fight-back following the US decision to re-impose sanctions on it. SEE MORE US ethylene spot prices slumped this week on the back of long supply and soft sentiment, causing a unit to be shut down due to poor margins. SEE MORE Southeast Asia’s maleic anhydride (MA) spot prices have reached three-year highs amid tight supply and strong demand from Europe and India, with the market condition expected to extend into June. SEE MORE The renewable energy in Vietnam possesses great potential, yet exploiting it still quite poor, according to professionals in the international conference ‘Integrating aquaculture and renewable energy system, a driving force for renewable energy development in Vietnam’ held in Ho Chi Minh City on May 11. SEE MORE Rising oil prices are a double-edged sword for the world economy. SEE MORE