https://www.reuters.com/article/us-uber-didi-mexico/how-chinas-ride-hailing-giant-didi-plans-to-challenge-uber-in-mexico-idUSKBN1GV0E0 >Working quietly from a shared office space in one of Mexico City's trendiest neighborhoods, China's ride-hailing giant Didi Chuxing is planning to hit its archrival Uber where it hurts.