Shares are up about 10% year to date. Alibaba ( BABA ) Although Alibaba is China's most dominant e-commerce company, it also holds an extremely valuable stake in Ant Group, the most valuable fintech firm in the world. Expected to file to go public in the coming days in a dual Hong Kong and Shanghai initial public offering, Ant could earn a valuation around $200 billion when it hits Asian exchanges later this year. Payments app Alipay is its crown jewel, reportedly boasting more than 700 million monthly active users in China alone. Alibaba has a 33% stake in Ant Group, which is expected to blow past Alibaba's own record-setting 2014 IPO valuation of $168 billion. The stock is up more than 30% to date. StoneCo ( STNE ) Last and least by market cap is StoneCo, the $15 billion tech company helping to enable the move toward more cashless societies — but in Brazil.