Asian spot ethylene prices firmed in August due to turnarounds, good demand and higher feed costs. US spot ethylene rose due to unplanned outages. The August contract price is expected to rise, with continued increases into the autumn. Westlake Chemical and Axiall have received regulatory approvals for the planned acquisition. European prices settled down. US Ethylene oxide prices are expected to rise in Q4 in step with ethylene. PEO prices in China remained unchanged. EO prices in Europe followed ethylene down as demand remained strong.