document.writeln('期市夜盘收盘郑棉跌0.85% 短纤跌0.70% 棉纱跌0.69%');document.writeln('本周涤短调整整体波动较小');document.writeln('成本端拖累聚酯链小幅调整');document.writeln('期市午盘收盘郑棉跌2.29% 棉纱跌1.70% 短纤跌0.27%');