For the nation’s three largest originators of home mortgages – Wells Fargo, JPMorgan Chase and Bank of America – the third quarter of 2013 turned out the way most observers expected, with slumping production, less revenue and tighter profit margins. The three major lenders, which accounted for almost 30 percent of loan originations in the first half of the year, saw big drops in refinance volume. Although they all unveiled plans to cut thousands of mortgage jobs, efforts to trim expenses did not come fast enough. Wells Fargo said...