Purchase mortgages accounted for 60.2 percent of originations in 2014, but California remained a hotbed of refinance activity, according to a new Inside Mortgage Trends analysis of Home Mortgage Disclosure Act data for last year. Some 52.8 percent of mortgage originations in the Golden State last year were refi loans, the highest such concentration anywhere in the U.S. House prices and loan amounts are significantly higher in many California markets ... [Includes one data chart]