欣旺达股价跌5.01%，中银证券旗下1只基金重仓，持有6.21万股浮亏损失11.36万元

Group 1 - The core point of the news is that XINWANDA's stock price has dropped by 5.01%, currently trading at 34.70 CNY per share, with a total market capitalization of 641.07 billion CNY [1] - XINWANDA is primarily engaged in the research, design, production, and sales of lithium-ion battery modules, with revenue composition as follows: consumer batteries 51.47%, electric vehicle batteries 28.18%, other 16.63%, and energy storage systems 3.72% [1] Group 2 - From the perspective of major fund holdings, a fund under Bank of China Securities has a significant position in XINWANDA, holding 62,100 shares, which accounts for 0.54% of the fund's net value, ranking as the eighth largest holding [2] - The Bank of China Securities CSI 500 ETF (515190) has a total scale of 390 million CNY and has achieved a year-to-date return of 29.12%, ranking 1859 out of 4216 in its category [2]