Group 1 - The stock price of Sitwei has declined by 2.3% on September 3, reaching 100.50 CNY per share, with a trading volume of 720 million CNY and a turnover rate of 2.19%, resulting in a total market capitalization of 40.385 billion CNY [1] - Sitwei's stock has experienced a continuous decline for four consecutive days, with a cumulative drop of 9.99% during this period [1] - Sitwei (Shanghai) Electronic Technology Co., Ltd. specializes in the research, design, and sales of high-performance CMOS image sensor chips, with 100% of its main business revenue derived from chip sales [1] Group 2 - According to data from fund holdings, one fund under Zhongtai Securities Asset Management has a significant position in Sitwei, holding 26,600 shares, which accounts for 2.51% of the fund's net value, ranking as the eighth largest holding [2] - The fund, Zhongtai Xingrui Prosperity Growth Mixed A (018372), has incurred a floating loss of approximately 63,100 CNY today, with a total floating loss of 297,000 CNY during the four-day decline [2] - The fund was established on July 18, 2023, with a latest scale of 41.0179 million CNY, achieving a year-to-date return of 35.24% and a one-year return of 44.59% [2]