JoulWatt(SH:688141) Xin Lang Cai Jing·2026-02-09 03:03Group 1 - The core viewpoint of the news is that Jiewa Technology has seen a significant increase in its stock price, rising by 5.03% to reach 52.20 CNY per share, with a trading volume of 215 million CNY and a turnover rate of 0.94%, resulting in a total market capitalization of 23.507 billion CNY [1] - Jiewa Technology, established on March 18, 2013, and listed on December 23, 2022, specializes in the research and sales of analog integrated circuits, providing high-efficiency, high-performance, and high-reliability solutions [1] - The company's main business revenue composition includes power management chips at 93.09%, with DC-DC chips accounting for 56.79%, AC-DC chips for 20.48%, linear power chips for 14.40%, signal chain chips for 4.37%, and battery management chips for 1.43% [1] Group 2 - Among Jiewa Technology's top ten circulating shareholders, Huatai Fund's Huatai Technology Innovation Mixed A (007355) has entered the list, holding 4.1722 million shares, which is 1.58% of the circulating shares, with an estimated floating profit of approximately 10.4306 million CNY [2] - The Huatai Technology Innovation Mixed A fund, established on May 6, 2019, has a latest scale of 7.414 billion CNY, with a year-to-date return of 4.7% and a one-year return of 79.24% [2] - The fund manager, Ma Xiang, has a tenure of 9 years and 338 days, with a total asset scale of 19.713 billion CNY, achieving the best fund return of 309.18% during his tenure [3]