Chinese community grocery shopping app Xingsheng Youxuan has raised about $2 billion in a new funding round that values the company at $6 billion prior to the fresh capital injection, three people with knowledge of the matter told Reuters. Private equity firms FountainVest Partners, Primavera Capital Group and KKR & Co are among investors in this round, two sources said. Internet and gaming giant Tencent Holdings, which is an early backer of Xingsheng Youxuan, also invested in this round, one of them said.