Kora Saúde has announced a new public offering (OPA) aimed at delisting its shares from the stock exchange, triggering a significant response in the market. Following the announcement, Kora Saúde's stock surged by 12.5% on the B3 exchange. This move comes as the company's controlling shareholder seeks to take the firm private. In related market activity, GPA's shares increased by 7% amid rumors of a potential merger with the supermarket chain Dia. Additionally, investor Tanure has acquired a stake in GPA and is reportedly considering increasing his participation, indicating a strategic interest in the French group Casino.