document.writeln('4月9日华东PTA现货重心下滑');document.writeln('短纤主力合约一度触及跌停');document.writeln('中原期货：PX弱势格局不变');document.writeln('期市夜盘收盘 棉花跌2.99% 短纤跌2.30% 棉纱跌2.01%');