港股加密货币概念股盘中回调，欧科云链(01499.HK)跌近6%，博雅互动(00434.HK)、国泰君安国际(01788.HK)均跌超4%，国富量子(00290.HK)跌近2.5%。

Group 1 - Hong Kong cryptocurrency concept stocks experienced a pullback during trading [1] - OK Group (01499.HK) fell nearly 6% [1] - Boya Interactive (00434.HK) and Guotai Junan International (01788.HK) both dropped over 4% [1] - Guofu Quantum (00290.HK) declined nearly 2.5% [1]