One of the trendiest ideas in finance is something called “social impact investing,” which is the idea that people should put more money into socially beneficial companies and products, and less into socially harmful ones. That hardly sounds objectionable, but I am skeptical about how much good social impact investing can do. The first risk is that social impact investing ...

Bloomberg The first US coronavirus death. Signs the disease is squeezing China’s economy. A possible outbreak in Washington State. Trading may have stopped, but the drumbeat of alarming headlines hasn’t. That’s making investors anxious about what happens when markets reopen. While considerable bad news has already been priced in to stocks, with the S&P 500 down 13% in seven sessions ...

Bloomberg Last week was an expensive one for most investors, even for billionaires. The combined fortunes of the world’s 500 richest people fell by $444 billion as the coronavirus continued to spread — and spread fear — rattling equity markets worldwide. The Dow Jones Industrial Average tumbled more than 12%, the biggest five-day slide since the depths of the 2008 ...