盘中跌停，*ST亚振上演“天地板”

Core Viewpoint - *ST Yazhen experienced significant volatility in its stock price, showcasing a "limit-up" followed by a "limit-down" within the same trading day, indicating heightened market activity and investor sentiment [1] Trading Performance - On September 23, *ST Yazhen opened with a limit-up but quickly fell to a limit-down, closing at 30.18 yuan per share [1] - The stock had achieved three consecutive limit-up days from September 18 to September 22 [1] - From April 8 to September 23, the cumulative increase in the company's stock price reached 546.25% [1]