Reuters Bitcoin plunged another 12 percent after China’s central bank urged investors to take a rational approach to the digital currency, which has is on track for its heaviest two-day falls in two years. Bitcoin had gained more than 40 percent in two weeks to hit a three-year high of $1,139.89 on Wednesday, just shy of its all-time record …

  Bloomberg Goldman Sachs Group Inc. banker Jim Donovan is the front-runner to be President-elect Donald Trump’s pick for undersecretary of domestic finance, according to a person familiar with the decision. He’d be the fourth appointee with close ties to the investment bank tapped to serve in the administration. If chosen and confirmed, he would be responsible for coordinating policies …

  Bloomberg The promise of production cuts from OPEC and its partners sent oil rallying in 2016. Now traders want proof they’re delivering on those vows. It won’t come easy. The challenge: Building a coherent picture from the morass of data that emerges at each step along the process, from the wellheads where the oil is produced, to the tankers …