April 21 news: On April 21, the acetone market in East China fell by 50-100 yuan, with overall negotiations at 7,200-7,250 yuan/ton. The decline in upstream raw materials weakened cost support. Chempricehub's analysis of acetone, with a long-short score: -1, indicates that spot prices of acetone in East China fell by 50-100 yuan/ton, and the decline in upstream raw materials weakened cost support. This reflects supply pressure or weak demand, exerting a general bearish impact on acetone spot prices, which may dampen short-term market sentiment. MIBK, with a long-short score: 1, as acetone is a major raw material for MIBK, its price decline reduces MIBK production costs. Although the article does not directly mention MIBK, the lower costs may improve production margins, exerting a general bullish impact on MIBK spot prices and supporting the stability of downstream product prices.