Nearly two years after shuttering its Chinese email service, faded US search giant Yahoo looks finally set to completely leave the China market, with word that it's preparing to close up its sizable R&D shop in Beijing. I'm not intimately familiar with Yahoo's current China assets, but it does appear that this move represents the shuttering of the company's last major Chinese operation. The move also comes as Yahoo prepares to spin off its sizable stake in Chinese e-commerce giant Alibaba (NYSE:BABA) into a separate company, bringing an end to the company's decade-long marriage with China. Read more