According to the latest data from the Hong Kong Stock Exchange, on May 7, Shanghai Ruijun Asset Management Co., Ltd. sold 12.256 million shares of HUANENG POWER (00902) at a price of HK$6.6252 per share, with a total transaction value of approximately HK$81.1985 million. Following this reduction, the firm's updated shareholding stands at about 512 million shares, representing a stake of 10.90%.