久日新材股价跌5.02%，南方基金旗下1只基金重仓，持有2.24万股浮亏损失2.65万元

Core Viewpoint - Jiu Ri New Materials experienced a 5.02% decline in stock price on November 21, with a total market value of 3.602 billion yuan, indicating a cumulative drop of 3.57% over three consecutive days [1] Company Overview - Jiu Ri New Materials Co., Ltd. was established on October 30, 1998, and listed on November 5, 2019. The company is located in Tianjin and specializes in the research, production, and sales of photoinitiators [1] - The main business revenue composition includes photoinitiators (79.50%), fine chemicals (15.57%), monomers (2.85%), and other categories [1] Fund Holdings - Southern Fund has a significant holding in Jiu Ri New Materials, with its Southern New Materials Stock Initiation A (016449) reducing its position by 3,411 shares in the third quarter, holding 22,400 shares, which accounts for 3.13% of the fund's net value [2] - The fund has reported a floating loss of approximately 26,500 yuan today, with a cumulative floating loss of 19,500 yuan during the three-day decline [2] Fund Performance - Southern New Materials Stock Initiation A (016449) was established on March 21, 2023, with a latest scale of 17.2505 million yuan. Year-to-date returns are 32.31%, ranking 1,250 out of 4,208 in its category [2] - The fund's one-year return is 27.5%, ranking 1,293 out of 3,972, and since inception, it has achieved a return of 15.2% [2] Fund Management - The fund is managed by Zhang Lei and Du Yimin, with Zhang having a tenure of 5 years and 290 days, overseeing assets totaling 931 million yuan, achieving a best return of 97.1% during his tenure [3] - Du Yimin has a tenure of 211 days, managing assets of 18.9706 million yuan, with a best return of 40.94% during his management period [3]