The top residential mortgage REITs earnings reported improved earnings in the second quarter of 2006 compared to the previous quarter, but trailed the levels reached during the first half of last year, much like the overall mortgage industry. However, according to an analysis by Inside Mortgage Profitability, the top residential mortgage REITs (companies with their own production capacity as well as retained investment portfolios) endured more than their share of the...[One data table included]