We’re all playing a guessing game. During the campaign, Donald Trump made many promises. But whether friend or foe, we don’t know what he will actually do. The result is a deluge of predictions from politicians, pundits, think tanks, lobbyists, economists and others. Here, for example, is the outlook of economists at Nomura Securities. Conceding enormous “uncertainty,” the economists …

  Bitcoin is worth more than $1,000 for the first time since 2013, when it crossed that line very briefly. If one considers it a currency — which is open to debate — it would be the best-performing one in the world in the last 12 months: It has gained more than 150 percent against the US dollar. That’s a …

  For seven years, Republicans have yearned to dismantle the Affordable Care Act. Now that they have the chance, they seem wholly unprepared to do it right. Much work is still needed to figure out how to avoid destabilizing the health-insurance system. Yet, in their hurry, leaders in Congress seem to want to skip that part. What’s the rush? Republicans …