Last week, the National Aeronautics and Space Administration (Nasa) launched the Ice, Cloud and Land Elevation Satellite-2, which will monitor Earth’s ice sheets, recording changes in ice thickness as small as half a centimeter. The satellite will allow us to see one consequence of our collective pressure on the planet’s environment. And yet it will, in a small way, also ...

Citigroup Inc. has struggled to regain its footing since the financial crisis. The stock is still down more than 60 percent since the fall of Lehman Brothers Holdings Inc., the worst performance by far of the big US banks. But there’s one thing for which Citi and Michael Corbat, CEO for the past six years, have been praised: cost control. ...

Bond investors often say that “No one wants to be a forced seller.” And that makes perfect sense: If you need to sell during a rout, no matter the price, you’re going to take a big hit. But it should be equally as scary to be a forced buyer. Increasingly, that’s what happening in the US high-yield corporate bond market. ...