** Shares of power solutions group Leoch International Technology Ltd 0842.HK jump 26.4% to HK$2.06, their highest since March 2023, and on course for third consecutive session of gains
** Stock on track for the biggest one-day pct rise since July 2021, if gains hold; top gainer on the Hong Kong bourse
** Leoch said Hong Kong Stock Exchange has approved its plan to spin off and seek a separate listing of its power batteries distribution business, Leoch Energy Inc, on a U.S. Exchange
** Hang Seng Commerce & Industry Index .HSNC rises 1% and Hang Seng Index .HSI adds 0.9%
** Stock rose 26% last year
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))