** Shares of NEXTDC NXT.AX rise as much as 14.1% to A$12.8, post their biggest intraday percentage gain since late-August
** Data centre operator launches A$1 billion ($691.70 million) hybrid securities offer, fully underpinned by binding commitment from Canada's La Caisse
** Investors cheer long-term funding boost that strengthens liquidity, supports expansion through FY29 and avoids equity dilution, according to NXT
** Stock biggest percentage gainer in the technology sub-index .AXIJ, touches its highest since March 20
** Stock up 13.85%, as of 0052 GMT; down 10.14% this year, including the day's move
($1 = 1.4457 Australian dollars)
(Reporting by Roushni Nair in Bengaluru)
((Roushni.nair@thomsonreuters.com))