Australian Tech stocks rise to their highest in nearly a month

** Australian Technology stocks .AXIJ gain as much as 4.2%, their highest since September 9

** Sub-index tracks tech-heavy Nasdaq that closed higher overnight as surging Treasury yields recede .N

** WiseTech Global WTC.AX rises 6% and Xero XRO.AX gains more than 4%

** Sub-index rises 7% for the week, on track for its best week since early August

** YTD, sub-index down 20%