** Shares of Australia's Cleanaway Waste Management CWY.AX rise as much as 12.5% to A$2.7, marking their biggest intraday pct gain since April 23, 2024

** Stock hits its highest level since December 4, 2025

** CWY among top gainers in the ASX 200 benchmark .AXJO

** Co posts a 17.8% rise in half-year NPAT to A$109.7 million ($78.08 million)

** Sees underlying EBIT for FY26 to be between A$480 million and A$500 million from previous range of A$470 million to A$500 million

** Stock posts biggest percentage gain since April 23, 2024

** Stock up 0.4% YTD, including moves in current session

($1 = 1.4049 Australian dollars)

(Reporting by Nichiket Sunil in Bengaluru)

((Nichiket.Sunil@thomsonreuters.com))