The wholesale mortgage channel – and correspondent lending programs in particular – clearly benefited the most from last year’s surprising uptick in total mortgage originations, according to a new analysis and ranking by Inside Mortgage Finance. A total of $1.896 trillion of mortgage loans were generated in the wholesale market last year, up 10.7 percent from the total for 2004. That pushed the wholesale share of overall lending up to 60.8 percent, a gain of… [Three data tables included]