Zhong Guo Jing Ji Wang·2026-01-17 07:23Group 1 - The core point of the news is that *ST Chengchang's stock price experienced significant abnormal fluctuations, leading to a suspension of trading and a risk warning announcement by the Shenzhen Stock Exchange [1] - On January 16, after the resumption of trading, *ST Chengchang's stock opened at a limit down but quickly surged to a limit up, closing at 128.98 yuan per share, marking a "ground to sky board" trend [4] - The stock has achieved 11 limit up days in the last 12 trading days, indicating strong investor interest and volatility [4] Group 2 - The Shenzhen Stock Exchange has taken self-regulatory measures against certain investors for engaging in abnormal trading behaviors that disrupted normal trading order [1] - On January 16, the stock price increased by 6.14 yuan, or 5.00%, with an average price of 119.93 yuan and a trading volume of 52 million yuan [5]