Hong Kong cryptocurrency concept stocks rise, with Ouke Cloud Chain rising by over 30% Hong Kong cryptocurrency concept stocks rise, with continuous digital gains（ 02598. HK) once rose nearly 80%, Ouke Cloud Chain（ 01499. HK) rose by over 30%, with New Fire Technology Holdings（ 01611. HK rose nearly 9% after the Hong Kong Stablecoins Ordinance officially became law.