Roborock(SH:688169) Xin Lang Cai Jing·2025-09-04 02:35Group 1 - The core viewpoint of the news is that Stone Technology's stock has experienced a decline of 5.02%, with a current price of 198.47 CNY per share and a total market capitalization of 51.425 billion CNY [1] - Stone Technology, established on July 4, 2014, specializes in the design, research and development, production, and sales of smart cleaning robots and other smart hardware, with 99.94% of its revenue coming from smart cleaning products and accessories [1] Group 2 - According to data, Dachen Fund has one fund heavily invested in Stone Technology, specifically the Dachen Balanced Growth Mixed A (017764), which reduced its holdings by 2,650 shares in the second quarter, now holding 17,200 shares, accounting for 3.75% of the fund's net value [2] - The Dachen Balanced Growth Mixed A fund has a total scale of 69.3357 million CNY and has achieved a return of 25.42% this year, ranking 2,763 out of 8,180 in its category [2] Group 3 - The fund manager of Dachen Balanced Growth Mixed A is Wang Lei, who has a tenure of 12 years and 93 days, with the fund's total asset scale at 1.079 billion CNY [3] - During Wang Lei's tenure, the best fund return was 137.93%, while the worst return was -19.9% [3]