荣科科技（300290）披露关于股票交易异常波动公告的补充公告，1月13日股价下跌4.76%

Group 1 - The core point of the article is that Rongke Technology (300290) experienced a stock price decline of 4.76% to 20.02 yuan, with a total market capitalization of 12.807 billion yuan as of January 13, 2026 [1] - The stock opened at 21.0 yuan, reached a high of 21.15 yuan, and a low of 19.9 yuan, with a trading volume of 1.341 billion yuan and a turnover rate of 10.3% [1] - The company issued a supplementary announcement regarding abnormal stock trading fluctuations, clarifying that the IPO guidance of Super Fusion Digital Technology Co., Ltd. is unrelated to Rongke Technology [1] Group 2 - The company emphasized that the quality assets mentioned in its capital market business plan disclosed in April 2025 pertain to smart healthcare assets and do not involve Super Fusion or computing server assets [1] - The company reiterated that its main business remains focused on smart healthcare, smart cities, and artificial intelligence applications, with no significant changes [1] - The company advised investors to be cautious and aware of investment risks [1]