Alibaba's Sun Art Sale, and a China-Kazakhstan Dual Listing

Alibaba has announced a plan to sell its majority stake in Sun Art, operator of the popular RT-Mart supermarket chain. Is this the end for Alibaba's new retail vision combining e-commerce with brick-and-mortar stores? And a mining startup called Jiaxin has unveiled a plan to list shares in both Hong Kong and Kazakhstan, where it's developing a tungsten mine. What sets this venture apart from China's other big listed mining companies?