工大高科股价连续3天下跌累计跌幅7.05%，华夏基金旗下1只基金持37.79万股，浮亏损失107.32万元

Group 1 - The core point of the news is that Gongda Gaoke's stock has experienced a decline of 7.05% over the past three days, with a current price of 37.46 yuan per share and a market capitalization of 3.282 billion yuan [1] - Gongda Gaoke specializes in the research, production, sales, and technical services of industrial railway signal control and intelligent scheduling products, with its main business revenue composition being: 48.65% from information system integration and technical services, 25.44% from ground industrial railway signal control and intelligent scheduling products, 24.94% from underground mining signal control and intelligent scheduling products, and 0.97% from other sources [1] Group 2 - Huaxia Fund holds a significant position in Gongda Gaoke through its Huaxia Pantai Mixed Fund (LOF) A, which has 377,900 shares, accounting for 0.35% of the fund's net value, making it the fifth-largest holding [2] - The Huaxia Pantai Mixed Fund (LOF) A has reported a floating loss of approximately 128,500 yuan today, with a total floating loss of 1,073,200 yuan during the three-day decline [2] - The fund was established on December 26, 2016, with a current scale of 1.518 billion yuan, and has achieved a year-to-date return of 2.44% [2]