兆易创新成交额达100亿元，现跌2.72%。

Group 1 - The core point of the article is that兆易创新 (GigaDevice) achieved a transaction volume of 10 billion yuan but experienced a decline of 2.72% in its stock price [1] Group 2 - The transaction volume of 10 billion yuan indicates significant market activity for GigaDevice [1] - The 2.72% drop in stock price suggests potential market concerns or profit-taking by investors following the high transaction volume [1]