The deal will bring to SoftBank relationships with more investors keen to deploy money in the data center industry.Photographer: Akio Kon/BloombergSoftBank Group Corp. agreed to acquire private equity firm DigitalBridge Group Inc. in a deal valuing the data center investor at $4 billion including debt.The Japanese conglomerate will pay $16 per share in cash for New York-listed DigitalBridge, the companies said in statementBloomberg Terminal Monday, confirming an earlier report by Bloomberg News....