VA originations fell 10.4 percent during the first quarter, following a downward trend in all four corners of the single-family mortgage originations market during the period. Veteran mortgage originations totaled $18.15 billion in 1Q11, down from $20.26 billion in the fourth quarter of 2010, according to Department of Veterans Affairs data. Interest Rate Refinancing loans accounted for 40.7 percent of total VA loan production during the first three months of the year. The top 25 VA lenders combined for $12.08 billion with a little more than half in refis for a 66.6 percent share of the VA market. They, too, saw their volume drop ... [Includes one graph and one data chart]