document.writeln('4月30日华东PTA现货价格走低');document.writeln('期市夜盘收盘 棉纱涨0.02% 短纤跌0.62% 郑棉跌0.00%');document.writeln('涤短报价基本维稳 产销相对尚可');document.writeln('期市午盘收盘 短纤涨0.76% 郑棉涨0.45% 棉纱涨0.27%');