** Shares of Megaport MP1.AX rise as much as 5.8% to A$16.635, their highest level since September 25
** Stock logs the largest intraday pct gain since September 23; defying a 1.4% fall on the broader tech sub-index .AXIJ
** Macquarie raises target price for the Network-as-a-Service provider to A$18.5 from A$16.9, retains "outperform" tag
** Brokerage says the company's market growth is accelerating, with enterprises rearchitecting their networks as AI drives up cloud costs
** Adds ban of HK Telecom in the U.S. provides a favourable shift in the company's competitive position
** Stock up 120.4% YTD, including the day's moves
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))