An estimated $2.065 trillion of mortgage loans were refinanced during the first nine months of 2003, accounting for 72.5 percent of the record originations produced by the market. Wells Fargo was the top originator of refinance mortgages, with $298.9 billion or 75.0 percent of its year-to-date originations. GMAC Mortgage (84.0 percent) and Bank of America Mortgage (83.1 percent)