Citigroup Inc.’s risk takers are once again leading the charge. So far, it’s been all rewards. The bank reported second-quarter results that were better-than-expected, including revenue for the period of $17.9 billion, or nearly $450 million more than analysts were anticipating. The results are the latest in a string of good news for Citi. Just last month, it flew through …

Our story thus far: After decades of expensive and often underperforming active fund management, the public has embraced low-cost, passive-index investing with a vengeance. The old chin-rubbing-this-company-looks-good school of stock picking has been hit with enormous asset outflows. Vanguard Group Inc. and BlackRock Inc. have captured trillions of dollars in new assets, tied to broad indexes, to the collective detriment …

Bloomberg Facebook Inc. is taking another stab at turning its Oculus Rift virtual reality headset into a mass-market phenomenon. Later this year, the company plans to unveil a cheaper, wireless device that the company is betting will popularize VR the way Apple did the smartphone. Currently VR hardware comes in two flavors: cheap headsets that turn smartphones into virtual reality …