Wells Fargo and Bank of America continued to pull ahead of the field, adding Ginnie Mae servicing to their portfolios faster than the overall market grew during the second quarter of 2011. A new Inside Mortgage Finance analysis found the two companies holding 54.9 percent of Ginnie servicing outstanding at the end of June. Third-place JPMorgan Chase trailed overall growth in the market, while CitiMortgage and PNC Bank actually [includes one data chart]