Mortgage repurchase activity by banks and thrifts took an unexpected turn higher during the second quarter, according to a new Inside Mortgage Trends analysis of call reports. Call reports show that banks and thrifts repurchased $804.1 million of single-family mortgages, or otherwise indemnified a buyer, during the second quarter. That was up $40.0 million or 5.2 percent from the first three months of the year and marked the second straight quarterly ... [Includes one data chart]