Group 1 - The core viewpoint of the news is the significant stock price increase of Shenzhen Jingzhida Technology Co., Ltd., which has risen 44.33% over the past five days, reaching a price of 188.90 CNY per share [1] - The company specializes in the research, production, and sales of new display device testing equipment, with its main revenue sources being optical detection and calibration systems (52.16%), semiconductor memory device testing (31.06%), aging systems (10.51%), signal generators (4.17%), touch detection systems (1.36%), testing system accessories (0.64%), and others (0.11%) [1] - As of the latest data, the total market capitalization of Jingzhida is 17.759 billion CNY, with a trading volume of 1.083 billion CNY and a turnover rate of 8.48% [1] Group 2 - The fund "Huitianfu Mobile Internet Stock A" has increased its holdings in Jingzhida by 59,500 shares, bringing its total to 996,800 shares, which represents 3.45% of the fund's net value [2] - The fund has achieved a floating profit of approximately 9.898 million CNY today and a total floating profit of 54.7927 million CNY during the five-day stock price increase [2] - The fund has a total asset size of 2.317 billion CNY and has delivered a year-to-date return of 72.69%, ranking 101 out of 4,220 in its category [2]