Group 1 - The stock of Dongfang Guoxin fell by 5.1%, trading at 10.43 CNY per share, with a total market capitalization of 11.877 billion CNY [1] - Dongfang Guoxin specializes in providing enterprise-level big data and cloud computing products, industrial internet platforms, and overall industry solutions, with revenue composition as follows: 76.59% from custom software development and services, 16.14% from system integration, 5.60% from cloud computing, and 1.68% from software products [1] Group 2 - The Vanguard Fund has a significant holding in Dongfang Guoxin, with the Vanguard Juyuan A (004724) increasing its stake by 7,600 shares, totaling 22,500 shares, which represents 5.68% of the fund's net value [2] - The Vanguard Juyuan A fund has experienced a loss of 8.89% year-to-date, ranking 8134 out of 8160 in its category, while achieving a one-year return of 10.3%, ranking 5919 out of 8021 [2]