港股加密货币概念股拉升，连连数字(02598.HK)一度涨近80%，欧科云链(01499.HK)涨超30%，新火科技控股（01611.HK）涨近9%，此前香港稳定币条例正式成为法例。

Group 1 - The core viewpoint of the article highlights a significant surge in Hong Kong's cryptocurrency concept stocks following the formal enactment of the stablecoin regulation [1] Group 2 - Lianlian Digital (02598.HK) experienced a nearly 80% increase in its stock price [1] - OKLink (01499.HK) saw its stock rise by over 30% [1] - New Huo Technology Holdings (01611.HK) recorded a nearly 9% increase in its stock price [1]