AOL and Yahoo are being sold again, this time to a private equity firm. Wireless company Verizon will sell Verizon Media, which consists of the once-pioneering tech platforms, to Apollo Global Management in a $5 billion deal. Verizon said Monday that it will keep a 10 percent stake in the new company, which will be called Yahoo. Yahoo at the end of the last century was the face of the internet, preceding the behemoth tech platforms to follow, such as Google and Facebook. And AOL was the portal, bringing almost everyone who logged on during the internet’s earliest days. Verizon spent about $9 billion buying AOL and Yahoo over two years starting in 2015, hoping to jump-start a digital media business that would compete with Google and Facebook. It didn’t work—those brands were already fading even then—as Google and Facebook and, increasingly, Amazon dominate the U.S. digital ad market. The …