阳光电源成交额达100亿元，现跌1.73%。

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 decreased by 1.73% [1] Group 2 - The transaction volume of 10 billion yuan indicates significant market activity and interest in the company's products or services [1] - The decline in stock price by 1.73% may suggest market concerns or reactions to broader economic conditions affecting investor sentiment [1]