Six months after the first YuEBao fund was launched in China, the product now has CNY250bn ($41.3bn) of assets under management with a total of 49 million users, becoming the biggest publicly offered money market fund in China and raising questions from a number of quarters, especially banks which could see their status threatened. The product was debuted by Alipay, an online payment platform that allows any unused balances within an Alipay account to be invested in a fund for short-term gains.