I love Twitter. I use it every day. I’ve made a number of friends using the service, and often have interesting exchanges with an even larger number of colleagues and smart people. It has been essential to my career; it’s hard to imagine doing my job without Twitter or some similar tool for connecting with the public. But Twitter Inc. …

  Barry Ritholtz Are we in a short-term cyclical bull market, one that is already long in the tooth and coming to an end? Or are we in the early years of a secular bull market, one that might last a decade or more? The answer could have a significant impact on how your portfolios perform during the next few …

  Bloomberg Africa’s many small and under-capitalized banks, laden with bad debt, are inflicting more pain on already embattled economies. Regulators may have no choice but to force lenders to consolidate or close. A third of Nigeria’s 21 banks may be under-capitalized. Much smaller Uganda has 25 banks and last month suffered one collapse. Kenya has had three failures since …