Striking a blow against popular sovereignty by referendum, the U.K. High Court of Justice held on Thursday that Britain can’t leave the European Union without an act of Parliament. Because British constitutional thought is so different from its U.S. and European equivalents, the decision will be difficult for the U.K.’s Supreme Court to overturn. It’s now much more likely …

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 …