Wells Fargo is reportedly under investigation for a practice that banks across the industry have relied on for years: cross-selling financial products to their customers. Big banks have been particularly upfront about how they see jumbo mortgages originated for portfolio as a way to cross-sell other products. Cross-selling financial products occurred without much regulatory scrutiny until a lawsuit by the Los Angeles City Attorney in May. LA City Attorney Mike Feuer alleged that Wells’ cross-selling activities violated California’s unfair competition law. The Office of the Comptroller of the Currency and the Federal Reserve Bank of San Francisco are also reportedly investigating Wells’ cross-selling. Feuer alleged...