东阳光股价跌5.26%，前海开源基金旗下1只基金重仓，持有1.44万股浮亏损失1.63万元

Group 1 - The core point of the news is that Dongyangguang's stock price dropped by 5.26% to 20.37 CNY per share, with a trading volume of 5.51 billion CNY and a turnover rate of 0.88%, resulting in a total market capitalization of 613.05 billion CNY [1] - Dongyangguang, established on October 24, 1996, and listed on September 17, 1993, operates in four main business segments: electronic new materials, alloy materials, chemical products, and pharmaceutical manufacturing [1] - The revenue composition of Dongyangguang's main business includes high-end aluminum foil at 40.81%, chemical new materials at 27.63%, electronic components at 25.40%, and other categories contributing 2.63% [1] Group 2 - According to data from the top ten heavy stocks of funds, Qianhai Kaiyuan Fund has one fund heavily invested in Dongyangguang, specifically the Qianhai Kaiyuan CSI 500 Equal Weight ETF (515590), which increased its holdings by 3,200 shares in the third quarter [2] - The Qianhai Kaiyuan CSI 500 Equal Weight ETF (515590) has a current holding of 14,400 shares, representing 0.4% of the fund's net value, ranking it as the eighth largest heavy stock [2] - The fund has a total scale of 83.87 million CNY and has achieved a year-to-date return of 27.42%, ranking 2058 out of 4216 in its category [2]