** Shares of South Port New Zealand SPN.NZ rise as much as 4.8% to NZ$6.6, their highest since February 26, 2024
** The Commercial port expects its FY25 earnings to exceed NZ$12.5 mln ($7.54 mln), beyond the upper-end of its previous forecast range of NZ$9.3 mln to NZ$10.3 mln
** Stock posts biggest intraday pct gain since July 2023
** About 9,372 shares change hands, 4.9x the 30-day average of 1,926; busiest session since June 9
** Stock up 14.8% YTD, including moves in current session
($1 = 1.6589 New Zealand dollars)
(Reporting by Jasmeen Ara Shaikh in Bengaluru)
((JasmeenAraIslam.Shaikh@thomsonreuters.com;))