HONG KONG—Global investors looking to buy stakes in China’s most valuable private technology company are being forced to pick a side in the nation’s biggest business rivalry.
Ant Financial Services Group, a financial-technology juggernaut controlled by billionaire Jack Ma, is preparing to close a $10 billion private fundraising round that would value the Hangzhou-based company at $150 billion, according to people familiar with the matter. As part of the deal, investors putting money into Ant have to agree not to invest in...