产品4月21日4月15日涨跌值涨跌幅(%)乙烯84.66%85.99%-1.33%-1.55%苯乙烯74.98%70.31%+4.67%+6.64%环氧乙烷67.57%68.83%-1.26%-1.83%乙二醇60.09%62.39%-2.30%-3.69%PVC78.76%78.94%-0.18%-0.23%EVA91.51%94.92%-3.41%-3.