5月26日电，港股中核国际涨幅扩大至70%，公司为中核集团旗下唯一海外铀资源运作平台。

Group 1 - The core point of the article is that China Nuclear International has seen its stock price increase by 70%, indicating strong market performance [1] Group 2 - China Nuclear International is the only overseas uranium resource operation platform under the China National Nuclear Corporation [1]