** Shares of Aussie Broadband ABB.AX rise as much as 21.1% to A$5.4 - on track for their best day ever, if current gains hold
** Internet services provider says it expects FY26 underlying EBITDA between A$157 million and A$167 million ($101.75 million-$108.23 million), 14% to 21% higher than FY25
** Co reports FY revenue of A$1.19 billion, up 18.7% y/y
** Posts 6.5% rise in FY net profit attributable to A$55.8 million
** Stock top gainer on the ASX All Ordinaries Index .AORD
** Stock hits its highest level since April 29, 2022
** Stock up 25.4% this year, including day's move
($1 = 1.5430 Australian dollars)
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))