document.writeln('成本端降温 聚酯链集体下挫');document.writeln('期市午盘收盘 棉纱涨0.73% 棉花涨0.20% 短纤跌2.00%');document.writeln('期市早盘收盘 棉纱涨0.98% 棉花涨0.30% 短纤跌2.97%');document.writeln('PTA主力合约暴跌8%');