On January 6, Yanshan Petrochemical raised the ex-factory settlement price of acetone by 100 yuan to 4,200 yuan/ton, effective from January 6. PriceSeek's analysis of acetone, with a bullish-bearish score of 1, reports that Yanshan Petrochemical increased the ex-factory settlement price of acetone by 100 yuan/ton to 4,200 yuan/ton, effective from January 6. This directly reflects rising costs on the supply side or strengthening demand, which is favorable for the spot market price of acetone. It is expected that the spot price will rise in the short term. Scoring rationale: The price increase is moderate, representing a generally positive factor that boosts market bullish sentiment.