Wells Fargo ranked as the top issuer of agency MBS during August as the company boosted its production volume by 10 percent while the rest of the market slumped 3 percent. Wells Fargo issued a total of $17.48 billion of agency MBS last month, which amounted to 21 percent of total production by the industry. The company ranked as the top issuer of Ginnie Mae MBS... [Includes two charts]