document.writeln('期市午盘收盘棉花涨0.11% 短纤跌1.21% 棉纱跌0.08%');document.writeln('担忧需求持续性聚酯链集体回调');document.writeln('期市早盘收盘棉花涨0.30% 棉纱涨0.25% 短纤跌1.49%');document.writeln('5月20日华东PTA现货价格重心下滑');