Key Takeaways:China Renaissance’s shares could resume trading as early as March, after it named a new chairman to replace co-founder Bao Fan, who has been missing for a yearThe company’s stock could fall 50% or more when trading resumes, reflecting not only concerns about Bao’s departure but also plunging business for Chinese investment banksBy Doug Young After nearly a year of uncertainty, local investment bank China Renaissance Holdings Ltd. (1911.HK) finally seems set to move on to the next chapter of its unsettled story with its naming of a new chairman and CEO. That means the stock could …