亿道信息开盘涨停，涨幅9.99%，成交额超1657万元。

Core Viewpoint - The company Yidao Information experienced a significant stock price increase, reaching the daily limit of 9.99% with a trading volume exceeding 16.57 million yuan [1] Group 1 - The stock opened at a limit-up price, indicating strong market interest and investor confidence [1] - The trading volume surpassed 16.57 million yuan, reflecting active participation from investors [1]