IAC said Monday it's exploring a spinoff of Angi, an online platform that connects consumers with a marketplace of home improvement service providers in their area, like electricians and landscapers.Angi stock price was up as much as 10% in after-hours trading on Monday.The company is considering a spinoff of Angi that would result in its stake being distributed to shareholders, IAC CEO Joey Levin wrote in a letter to shareholders that coincided with the company's third-quarter earnings release. IAC owns 85 ...