MIAMI BEACH, Fla. — Playboy plans to relocate its global headquarters from Los Angeles to Miami Beach and open a Playboy club there. The Miami Beach headquarters at the top of a luxury office building will include studios…

Warren Buffett’s Berkshire Hathaway revealed a new stake in troubled insurer UnitedHealth last quarter, according to a regulatory filing, a surprising buy because of the company’s current reputation, but perhaps not considering his history of bargain investing. The…