Mortgage lenders appeared to have no problem taking up the slack after Fannie Mae and Freddie Mac high-cost loan limits were lowered in the fourth quarter of 2011. Fannie Mae, Freddie Mac and Ginnie Mae financed 36.6 percent of the loans exceeding $417,000 that were originated in the fourth quarter of last year, according to a new Inside Mortgage Finance analysis. That was down from a 42.7 percent agency share of the jumbo market in the previous quarter. The key factor was the reduction in the top Fannie/Freddie loan limit from $729,750 to $625,500, which (Includes two data charts)...