NBSS(SH:600884) Xin Lang Cai Jing·2025-09-17 06:42Group 1 - The core viewpoint of the news is that Ningbo Shanshan Co., Ltd. has seen a significant increase in its stock price, rising by 5.35% to reach 15.17 CNY per share, with a trading volume of 1.736 billion CNY and a turnover rate of 6.71%, resulting in a total market capitalization of 34.124 billion CNY [1] - The company specializes in the research, production, and sales of lithium-ion battery anode materials and electrolytes, with its main business revenue composition being 55.26% from polarizers, 43.88% from anode materials, and 0.86% from other sources [1] - The top circulating shareholder data indicates that a fund under Southern Fund has increased its holdings in Shanshan Co., with the Southern CSI 500 ETF (510500) adding 8.9988 million shares in the second quarter, bringing its total holdings to 23.3568 million shares, which accounts for 1.33% of the circulating shares [2] Group 2 - The Southern CSI 500 ETF (510500) has achieved a year-to-date return of 27.26%, ranking 1792 out of 4222 in its category, and a one-year return of 63.65%, ranking 1479 out of 3804 [2] - The fund manager of Southern CSI 500 ETF, Luo Wenjie, has a total fund asset scale of 138.999 billion CNY, with the best fund return during his tenure being 146.27% and the worst being -47.6% [3]