January 7th News: On January 7th, Yanshan Petrochemical raised the ex-factory settlement price of acetone by 100 yuan to 4,300 yuan per ton, effective from January 7th. Chempricehub's analysis of acetone, with a bullish-bearish score: On November 7th, Yanshan Petrochemical increased the ex-factory settlement price of acetone by 100 yuan to 4,300 yuan per ton, effective immediately. The rise in ex-factory prices indicates increased costs on the supply side or stronger demand, providing direct positive support for the spot price of acetone. It is expected that the spot market may follow suit with price increases in the short term.