** Wharf Real Estate Investment 1997.HK rises 6.5% to HK$26.1, highest since October 14, 2024
** Stock set for biggest one-day pct rise since July 3
** Property investor and mall operator reports flat growth in H1 underlying profit; revenue down 1% y/y
** Borrowing cost slips 27% y/y; gearing level at new low of 17.6% vs 17.8% at December-end
** Co declares interim dividend of HK$0.66 vs year-ago HK$0.64
** YTD, stock gains 30.2%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))