Carl Icahn’s very public battle with eBay Inc. chief executive John Donahoe over the spinoff of the e-commerce giant’s PayPal unit made for great theatre earlier this year, with the U.S. billionaire investor at one point noting that eBay had the worst corporate governance he’d ever seen. Mr. Icahn, of course, got his way this past…

Breaking up isn’t hard to do: Why divestitures are all the rage right now