Tianneng Battery (SH:688819) Xin Lang Cai Jing·2026-01-23 05:24Group 1 - TianNeng Co., Ltd. experienced a 5.1% increase in stock price, reaching 36.68 CNY per share, with a trading volume of 1.23 billion CNY and a turnover rate of 0.35%, resulting in a total market capitalization of 35.657 billion CNY [1] - The company, established on March 13, 2003, and listed on January 18, 2021, specializes in the research, production, and sales of various types of batteries, including electric vehicle batteries, energy storage batteries, and backup batteries [1] - The main revenue composition of TianNeng includes 91.56% from lead-acid batteries, 5.86% from other sources, and 2.58% from lithium batteries [1] Group 2 - E Fund's ETF, the E Fund SSE STAR 50 ETF (588080), is among the top ten circulating shareholders of TianNeng, having reduced its holdings by 715,400 shares to 4.9182 million shares, representing 0.51% of circulating shares [2] - The E Fund SSE STAR 50 ETF has a current scale of 70.597 billion CNY, with a year-to-date return of 14.68% and a one-year return of 58.84%, ranking 359 out of 5,546 and 819 out of 4,261 in its category, respectively [2] Group 3 - The fund managers of E Fund SSE STAR 50 ETF are Lin Weibin and Cheng Xi, with Lin having a tenure of 12 years and 327 days and a total fund size of 119.408 billion CNY, achieving a best return of 80.11% during his tenure [3] - Cheng Xi has a tenure of 9 years and 264 days, managing a fund size of 236.954 billion CNY, with a best return of 131.04% during his tenure [3]