Asian acrylonitrile-butadiene-styrene up$20-$40/mt week on week as producers maintained offers largelyabove $1,500/mt, in line with production cost estimated above$1,500/mt due to relatively high feedstock prices.A producer based in Northeast Asia reported increaseddemand for ABS amid recent volatility in feedstocks butadieneand styrene monomer, with deals heard done for ABS at $1,460/mt CFR Southeast Asia and $1,470/mt CFR India.Another producer echoed that stating that his offers to theIndian market had risen about $50/mt recently.In upstream markets, styrene monomer inched down $8/mtweek on week at $1,176/mt CFR China on April 17, while butadieneand acrylonitrile were both stable at $1,450/mt CFR China and$1,290/mt CFR Far East Asia, respectively.However, butadiene has increased $500/mt since the last ABSassessment of 2023 on Dec. 20, while SM has risen by $139/mtover that period, data shows.The China domestic ABS...