document.writeln('期市早盘收盘棉花跌1.87% 棉纱跌1.86% 短纤跌0.37%');document.writeln('7月29日华东PTA现货偏弱运行');document.writeln('期市夜盘收盘短纤跌0.58% 棉纱跌0.52% 棉花跌0.28%');document.writeln('期市午盘收盘短纤跌1.31% 棉花跌1.09% 棉纱跌0.91%');