It may be too early to declare an end to the cycle of servicers marking down the value of their mortgage servicing rights, but a new Inside Mortgage Finance analysis suggests that some large banks began raising their valuations in the fourth quarter. Across the board, all of the nation’s top five servicers – Wells Fargo, JPMorgan Chase, Bank of America, Citigroup, and U.S. Bancorp – increased the asset value of their MSRs in the fourth quarter of 2012, even though none of them reported significant growth in the unpaid principal balance of home loans serviced for other investors. Wells Fargo, the nation’s largest servicer with a market share of almost 19 percent, saw...[Includes one data chart]