Updates after deal announcement
** Data center investment firm DigitalBridge's DBRG.N shares jump 9.8% to $15.30 premarket
** Japanese investment firm SoftBank 9984.T to acquire co for $2.92 billion
** Offer priced at $16 per share, a ~15% premium to DBRG's last close
** DBRG to continue as separately managed platform, says Softbank
** DBRG stock up ~57% since the talks were first reported on Dec 5, including premarket moves
** Firms are channeling billions into AI infrastructure on demand boom
** As of last close, DBRG up 23% YTD
(Reporting by Utkarsh Tushar Hathi)
((utkarshtushar.hathi@thomsonreuters.com))