Australia's Megaport surges on upgraded revenue forecast, AI infrastructure contracts

** Shares of Megaport Ltd MP1.AX rise as much as 20.5% to A$22.72, their biggest intraday pct gain since June 5

** Shares reach highest level since August 13

** Network as a Service (NaaS) provider secures three new AI infrastructure contracts worth A$978.6 million ($686.00 million)

** Upgrades annual revenue forecast to between A$720 mln and A$810 mln, up from A$620 mln - A$730 mln projected before

** Raises EBITDA margin guidance to between 42% and 44% for FY27, higher than 38% - 40% estimated earlier

** Stock up 83.4% YTD, including the day's moves

($1 = 1.4265 Australian dollars)