** Dmall 2586.HK jumps as much as 9.8% to HK$7.65, highest since December 10, 2024
** Retail digitalization solutions provider will be included on the Hang Seng Composite Index .HSCI effective March 10
** Says inclusion reflects market's recognition of its business performance, will help broaden its shareholder base
** Hang Seng Composite Index .HSCI gains 0.1%
** Stock adds 13.4% YTD
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))