阳光电源成交额达100亿元，现跌4.41%。

Group 1 - The core point of the article is that 阳光电源 (Sungrow Power Supply) achieved a transaction volume of 10 billion yuan, but its stock price has dropped by 4.41% [1] Group 2 - The company has reached a significant milestone in transaction volume, indicating strong market activity [1] - The decline in stock price suggests potential market concerns or profit-taking by investors following the announcement [1]