振华股份股价连续4天上涨累计涨幅19.08%，国泰基金旗下1只基金持4920股，浮盈赚取3万元

Group 1 - The core viewpoint of the news is that Zhuhua Co., Ltd. has experienced a significant stock price increase, with a 19.08% rise over the past four days, reaching a price of 38.00 yuan per share and a market capitalization of 270.09 billion yuan [1] - Zhuhua Co., Ltd. is primarily engaged in the research, manufacturing, and sales of chromium salt products, with its main business revenue composition being 114.86% from inorganic salt-related industries, 3.09% from logistics, and 1.82% from other sources [1] - The stock has seen a trading volume of 16.58 billion yuan and a turnover rate of 6.17% during the reporting period [1] Group 2 - From the perspective of fund holdings, Guotai Fund has a significant position in Zhuhua Co., Ltd., with its Guotai CSI 2000 ETF increasing its holdings by 3,100 shares to a total of 4,920 shares, representing 0.28% of the fund's net value [2] - The Guotai CSI 2000 ETF has achieved a year-to-date return of 7.23% and a one-year return of 58.68%, ranking 1633 out of 5520 and 996 out of 4203 respectively [2] - The fund was established on September 13, 2023, with a current scale of 32.4956 million yuan [2]