JACK(SH:603337) Xin Lang Cai Jing·2026-02-02 07:00Group 1 - Jack Technology's stock price fell by 5.01% on February 2, closing at 42.27 yuan per share, with a trading volume of 183 million yuan and a turnover rate of 0.89%, resulting in a total market capitalization of 20.139 billion yuan [1] - The stock has experienced a continuous decline for three days, with a cumulative drop of 7.21% during this period [1] - Jack Technology, established on August 27, 2003, and listed on January 19, 2017, specializes in the research, production, and sales of industrial sewing machinery, including industrial sewing machines, cutting tables, and fabric laying machines [1] Group 2 - The main revenue composition of Jack Technology includes 86.87% from smart industrial sewing machines, 10.21% from smart cutting tables and fabric laying machines, 2.71% from automatic sewing equipment for shirts and jeans, and 0.21% from other sources [1] - According to data, one fund under Fuan Da has a significant holding in Jack Technology, with a reduction of 13,500 shares in the fourth quarter, leaving 47,700 shares, which represents 4.13% of the fund's net value [2] - The fund has incurred a floating loss of approximately 106,400 yuan today and a total floating loss of 165,000 yuan during the three-day decline [2]