Bloomberg Consumers in China bought passenger vehicles at the fastest pace in three years to take advantage of a tax cut on small-engine automobiles, boosting deliveries of automakers from General Motors Co. to Great Wall Motor Co. Dealerships sold 23.9 million cars, sports utility and multipurpose vehicles last year, capping a 15.9 percent gain, according to data released Tuesday …

  Bloomberg Facebook Inc. bet early on virtual reality, buying Oculus VR 2 1/2 years ago to get its groundbreaking headset. Now it’s fighting claims that the Oculus Rift was built with stolen technology and promoted with a false origin story about a young entrepreneur tinkering in his parents’ garage. What started as a falling out between tech geeks has …

  Bloomberg Optimism among America’s small businesses soared in December by the most since 1980 as expectations about the economy’s prospects improved dramatically in the aftermath of the presidential election. The National Federation of Independent Business’s index jumped 7.4 points last month to 105.8, the highest since the end of 2004, from 98.4. While seven of the 10 components increased …