Group 1 - Hengtong Optic-Electric Co., Ltd. experienced a 5.2% increase in stock price, reaching 25.30 CNY per share, with a trading volume of 2.704 billion CNY and a turnover rate of 4.48%, resulting in a total market capitalization of 62.408 billion CNY [1] - The company, founded on June 5, 1993, and listed on August 22, 2003, specializes in high-end technology, product research and development, and system integration services in the fields of communication networks and energy interconnection, as well as global submarine cable communication network construction [1] - The revenue composition of Hengtong Optic-Electric includes: smart grid 36.98%, copper conductor 25.02%, industrial and new energy intelligence 11.28%, optical communication 10.94%, marine energy and communication 9.57%, and others 5.33% [1] Group 2 - A fund under Bank of China Securities holds Hengtong Optic-Electric as its ninth largest position, with 700 shares in the Bank of China Securities CSI 500 ETF Linked A (008258), resulting in an estimated floating profit of approximately 875 CNY [2] - The Bank of China Securities CSI 500 ETF Linked A (008258) was established on May 14, 2020, with a current scale of 250 million CNY, achieving a year-to-date return of 8.77%, ranking 1052 out of 5520 in its category, and a one-year return of 48.52%, ranking 1635 out of 4203 [2] Group 3 - The fund managers of Bank of China Securities CSI 500 ETF Linked A (008258) are Liu Xianzheng and Zhang Yimin, with Liu having a tenure of 7 years and 352 days and Zhang having a tenure of 5 years and 123 days [3] - Liu's fund has achieved a best return of 118.04% and a worst return of -34.66% during his tenure, while Zhang's fund has a best return of 34.26% and a worst return of -40.75% [3]

Group 1 - Hengtong Optic-Electric Co., Ltd. experienced a stock price increase of 5.31%, reaching 23.80 CNY per share, with a trading volume of 966 million CNY and a turnover rate of 1.70%, resulting in a total market capitalization of 58.708 billion CNY [1] - The company, founded on June 5, 1993, and listed on August 22, 2003, specializes in high-end technology, product research and development, and system integration services in the communication network and energy interconnection sectors, particularly in global submarine cable communication network construction [1] - The revenue composition of Hengtong Optic-Electric includes: smart grid (36.98%), copper conductors (25.02%), industrial and new energy intelligence (11.28%), optical communication (10.94%), marine energy and communication (9.57%), and others (5.33%) [1] Group 2 - Bank of China Securities has a fund that heavily invests in Hengtong Optic-Electric, specifically the BOC Securities CSI 500 ETF Linked A (008258), which held 700 shares as of the third quarter, ranking it as the ninth largest holding [2] - The BOC Securities CSI 500 ETF Linked A (008258) was established on May 14, 2020, with a current size of 250 million CNY, achieving a year-to-date return of 23.07%, ranking 2070 out of 4197 in its category, and a one-year return of 19.9%, ranking 2255 out of 4147 [2] Group 3 - The fund managers of BOC Securities CSI 500 ETF Linked A (008258) are Liu Xianzheng and Zhang Yimin, with Liu having a tenure of 7 years and 326 days and Zhang having a tenure of 5 years and 97 days, both managing a total fund size of 794 million CNY [3] - During Liu's tenure, the best fund return was 118.04%, while the worst was -34.66%, whereas Zhang's best return was 22.12% and the worst was -40.75% [3]

Group 1 - Zhangjiang Hi-Tech's stock increased by 5.41%, reaching 42.44 CNY per share, with a trading volume of 1.842 billion CNY and a turnover rate of 2.91%, resulting in a total market capitalization of 65.726 billion CNY [1] - Shanghai Zhangjiang Hi-Tech Park Development Co., Ltd. was established on April 18, 1996, and listed on April 22, 1996. The company primarily engages in land development and land use rights management, as well as investment and operation of commercial high-tech projects. Its main business revenue is entirely derived from the real estate segment, accounting for 100% [1] Group 2 - According to data, a fund under Bank of China Securities holds a significant position in Zhangjiang Hi-Tech, with the Bank of China CSI 500 ETF Linked A (008258) holding 300 shares, ranking as the eighth largest holding. The estimated floating profit today is approximately 654 CNY [2] - The Bank of China CSI 500 ETF Linked A (008258) was established on May 14, 2020, with a current scale of 250 million CNY. Year-to-date returns are 20.48%, ranking 2286 out of 4206 in its category; the one-year return is 20.25%, ranking 2346 out of 3986; and since inception, the return is 38.48% [2] - The fund managers, Liu Xianzheng and Zhang Yimin, have tenures of 7 years and 5 years respectively. Liu's fund has a total asset scale of 794 million CNY, with the best return during his tenure being 118.04% and the worst being -34.66%. Zhang's fund also has a total asset scale of 794 million CNY, with the best return of 18.26% and the worst of -40.75% [2]