Perhaps only in China could a CEO quoting thousand-year old poetry lead to a plunge in their company’s share price. Yet that is what happened to food delivery giant Meituan — the country’s third-largest tech company — this spring.  Meituan boss Wang Xing’s decision to share on social media a Tang Dynasty poem that mocked the actions of China’s first leader was widely interpreted as a slight against President Xi Jinping. (Wang later said that it was intended as a commentary on