document.writeln('PTA主力合约小幅下跌');document.writeln('7月3日华东PTA现货弱势整理');document.writeln('期市夜盘收盘 棉花涨0.18% 短纤涨0.12% 棉纱涨0.05%');document.writeln('期市午盘收盘 短纤涨0.67% 棉花涨0.51% 棉纱涨0.38%');