** Shares of CK Hutchison 0001.HK rise 3.7% to HK$64.3, on track for the biggest one-day pct gain since February 3

** Stock hit the highest level since February 23, snapping two sessions of decline; top pct gainer in benchmark Hang Seng Index .HSI, which slips 0.5%

** Shares of CK Infrastructure 1038.HK (CKI), a part of conglomerate CK Hutchison, climb 2.7% to HK$65.85, on track for the biggest one-day pct rise since January 21

** French utility Engie ENGIE.PA has agreed to buy electricity distributor UK Power Networks, from a CKI-led consortium, for 10.5 billion pounds ($14.24 billion) in a bid to expand its power business

** CKI Group expects to report an effective gain of about HK$14.5 billion ($1.85 billion) arising from the deal, with net proceeds to be used for new investment or acquisition

** Shares of CK Asset 1113.HK rise 3.9% to HK$48.46, the highest level since April 2023; Power Assets 0006.HK climbs 2.7% to HK$62.95, the highest point since April 2018

** YTD, CK Hutchison stock up 20.3%, CKI up 14.1%, CK Asset up 20.5%, Power Assets up 14%

($1 = 7.8183 Hong Kong dollars)

($1 = 0.7371 pounds)

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))