US May contract prices for styrene-butadiene rubber (SBR) rose by 4 cents/lb ($88/tonne) on Wednesday, fuelled by upstream butadiene (BD). SEE MORE Polyethylene (PE) prices are languishing at low levels in global terms, as crude prices reach their highest point since November 2014. SEE MORE An expected rise in demand for organic fertilisers has sparked many companies to invest more in production. SEE MORE China's supply of imported polyethylene (PE) from Iran may tighten over the next three months due to scheduled maintenance at major Iranian facilities. SEE MORE Benchmark Tokyo rubber futures, which set the tone for rubber prices in Southeast Asia, slid on Tuesday tracking Shanghai, as some investors took short positions amid high inventories of the tyre-making commodity. SEE MORE