Nokia’s tempestuous history of consolidations and divestitures has hit a new level of turbulence amid rumors that its mobile business is on the verge of acquisition by Samsung. That would represent an unwelcome follow on from Nokia’s early failure to transition from feature to smart phone, as it effectively exited the mobile device market it once dominated after the arrival of Apple’s iPhone in 2007. While Nokia was never as dominant in the mobile infrastructure business as the device business, it still became a major player with prospects enhanced after the expulsion of Huawei from some major markets in Europe and North America. Nokia was running close to Ericsson and Huawei until quite recently and even now holds almost 20%…