US aromatics availability remained limited as prompt spot toluene prices continued to hover near the 300 cents/gal mark. Sources anticipated little change in near-term fundamentals and supply was expected to remain tight. Sources continued to point to the gasoline segment for demand as disproportionation economics that were sharply negative. SEE MORE Crude oil futures were marginally higher in mid-morning trade in Asia Tuesday, amid mild short-covering after the overnight plunge that saw both benchmark contracts drop by more than a dollar. SEE MORE China's newly-launched crude oil futures on the Shanghai International Energy Exchange saw its trading volume surge to a record high in early June, a positive sign that a wide variety of financial market players have been keen to contribute liquidity into the new derivative market. SEE MORE China’s polyethylene (PE) imports are expected to remain strong for the rest of the year, after posting record volumes in January to April 2018, amid scheduled turnarounds at domestic facilities. SEE MORE On May 29 the State Bank of Việt Nam adjusted the đồng-US dollar exchange rate, weakening the Vietnamese currency by VNĐ9 to VNĐ22,605 per dollar, which represented the greenback’s biggest rise so far this year. SEE MORE