** Shares of Hong Kong-based property developer New World Development 0017.HK climb 5.3% to HK$4.39, on course for their biggest one-day pct gain since Oct. 2, 2024

** Stock touches the highest since Jan. 21, and set for a third straight session of rise; top pct gainer in the Hang Seng Property Index .HSNP, which adds 1%

** New World confirmed on Friday that it was conducting negotiations for potential sale of its shopping centre, K11 Art Mall

** While potential buyers have been approaching the company about various assets, including K11 Art Mall, no binding agreement has been signed to date, the developer said

** Local media had reported in August that New World received a HK$9 bln ($1.16 bln) bid for the Hong Kong shopping mall from a Chinese state-owned company

** The Hang Seng Mainland Properties Index .HSMPI rises 1.9% and the Hang Seng Index .HSI gains 0.5%

** Stock fell 57.4% last year

($1 = 7.7906 Hong Kong dollars)

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))