SKSHU(SH:603737) Xin Lang Cai Jing·2026-01-13 07:14Group 1 - The stock price of Sankeshu has declined for three consecutive days, with a total drop of 5.03% during this period, currently trading at 44.73 CNY per share [1] - Sankeshu Co., Ltd. specializes in the research, production, and sales of construction coatings, wood coatings, waterproof materials, flooring materials, insulation materials, integrated boards, and base materials, with its main revenue sources being engineering wall paint (30.87%), base and auxiliary materials (29.79%), home decoration wall paint (27.07%), waterproof membranes (7.91%), and others (2.32%) [1] Group 2 - Guotai Fund holds a significant position in Sankeshu through its Guotai CSI All Index Building Materials ETF, which increased its holdings by 609,300 shares to a total of 1,260,600 shares, representing 5.48% of the fund's net value [2] - The fund has incurred a floating loss of approximately 932,900 CNY today and a total floating loss of 2,987,700 CNY during the three-day decline [2] - The Guotai CSI All Index Building Materials ETF was established on June 9, 2021, with a current size of 1.102 billion CNY and has reported a year-to-date return of 4.34% [2]