A股非金属材料板块午后震荡走高，太力科技涨超17%，长江材料、坤彩科技此前涨停，金博股份、联瑞新材、金戈新材跟涨。

China A-share liquid-cooled server sector widened afternoon gains; Zhongshi Technology and Zhongyuntong hit 20cm limit-up. Earlier Jitai, Dun'an Environment, Haorsai and Kerui Technology hit limit-up, while Alade, Gaolan, Yihua and Jingquanhua also rallied.

Early Sept. 7, DR007 was flat at 1.3726%. The PBOC conducted a CNY 500mln 7-day reverse repo, fully meeting primary dealers' demand, and executed CNY 500bln outright reverse repos. DR007 is treated as China’s short-end rate anchor; the spread versus the PBOC 7-day reverse repo signals funding conditions—a material DR007 premium implies tightness, parity or a discount implies ample liquidity.