美畅股份股价跌5.02%，华泰柏瑞基金旗下1只基金位居十大流通股东，持有305.82万股浮亏损失238.54万元

Group 1 - The core viewpoint of the news is that Meichang Co., Ltd. has experienced a significant decline in stock price, dropping 5.02% on November 21, with a total market value of 9.916 billion yuan [1] - Meichang Co., Ltd. has seen its stock price fall for four consecutive days, with a cumulative decline of 5.24% during this period [1] - The company, established on July 7, 2015, specializes in the research, production, and sales of diamond wire for electroplating, with diamond wire accounting for 86.52% of its main business revenue [1] Group 2 - Among the top ten circulating shareholders of Meichang Co., Ltd., Huatai-PB Fund has increased its holdings in the photovoltaic ETF (515790) by 823,000 shares in the third quarter, now holding 3.0582 million shares, which is 0.72% of the circulating shares [2] - The photovoltaic ETF (515790) has a current scale of 13.976 billion yuan and has achieved a return of 29.61% this year, ranking 1485 out of 4208 in its category [2] - The fund managers, Li Qian and Li Mu Yang, have had varying performance records, with Li Qian achieving a best return of 84.41% and Li Mu Yang achieving a best return of 141.63% during their respective tenures [2]