信息发展股价跌5.06%，南方基金旗下1只基金重仓，持有2.55万股浮亏损失8.42万元

Group 1 - The core point of the news is that Information Development Co., Ltd. experienced a decline in stock price by 5.06%, with the current share price at 61.93 yuan, a trading volume of 397 million yuan, and a market capitalization of 15.373 billion yuan [1] - The company, established on October 29, 1997, and listed on June 11, 2015, specializes in information system development and services in various sectors including archives, food traceability, and legal affairs [1] - The revenue composition of the company is as follows: technical support and services account for 43.98%, system integration for 36.63%, application software development and sales for 19.09%, and other sources for 0.30% [1] Group 2 - From the perspective of major fund holdings, Southern Fund has one fund heavily invested in Information Development, specifically the Southern CSI 2000 ETF, which increased its holdings by 10,100 shares in the fourth quarter, totaling 25,500 shares, representing 0.22% of the fund's net value [2] - The Southern CSI 2000 ETF was established on September 7, 2023, with a current size of 725 million yuan, and has achieved a year-to-date return of 8.16%, ranking 1717 out of 5580 in its category [2] - Over the past year, the fund has generated a return of 51.07%, ranking 1229 out of 4286, and since its inception, it has achieved a return of 50.68% [2]