adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-BUSINESS","nativepaywallcategory" : "NATIVE_PREM-BUSINESS"};WASHINGTON -- Mortgage giant Freddie Mac reported net income of $4.2 billion for the second quarter, up sharply from the same period of 2014, as it increased its purchases of home loans and sold off greater volumes of riskier mortgages. The April-through-June results posted today marked the government-controlled company's 15th straight profitable quarter.