3i Group (ticker: III) can trace its roots back to 1945 although it didn't join the London market until 1994. Initially focused on UK private equity, it has expanded over the years into northern Europe, North America, and infrastructure. But it's not given its shareholders an easy ride, slumping in the early 2000s after dashing into technology stocks and sliding again in 2009 when it become overindebted in the run-up to the global financial crisis. Simon Borrows became 3i's CEO in 2012 and has transformed the trust's prospects, cutting offices and headcount and also concentrating its portfolio...