Group 1 - The core viewpoint of the news is that Ruiskanda Technology Development Co., Ltd. has seen a stock price increase of 5.19%, reaching 10.34 CNY per share, with a trading volume of 156 million CNY and a turnover rate of 3.79%, resulting in a total market capitalization of 4.393 billion CNY [1] - Ruiskanda, established on June 8, 1999, and listed on April 20, 2017, is a leading company in the domestic optical fiber communication access field, providing products, technical services, and comprehensive solutions for access layer networks [1] - The company's main business revenue composition includes transmission equipment (35.29%), broadband network equipment (21.25%), other products (19.32%), software products (16.42%), and data communication equipment (7.72%) [1] Group 2 - From the perspective of major circulating shareholders, Dacheng Fund has one fund among the top shareholders of Ruiskanda, specifically Dacheng CSI 360 Internet + Index A (002236), which entered the top ten circulating shareholders in the third quarter, holding 1.8426 million shares, accounting for 0.43% of the circulating shares [2] - The Dacheng CSI 360 Internet + Index A fund has a current scale of 788 million CNY and has achieved a year-to-date return of 38.69%, ranking 911 out of 4208 in its category, with a one-year return of 43.17%, ranking 521 out of 3971 [2]