Good start, companies -- now keep raising wages!

Erik Mcgregor/Getty Images As the cofounder and CEO of Insider Inc., I have been writing for almost a decade about the need for companies to serve more than their shareholders. Over the past few years, some of the US's largest corporations and investors have endorsed this "stakeholder capitalism" approach — in which companies strive to create value for customers, employees, and society, in addition to shareholders. This is a good start! But there's a long way to go. Rich companies need to keep...