Much like the overall mortgage market, earnings for the top residential mortgage REITs were up in the second quarter of 2006 compared to the previous quarter, but trailed the levels reached during the first half of last year. However, according to an analysis by Inside Mortgage Profitability, an affiliated newsletter, the top residential mortgage REITs (companies with their own production capacity as well as retained in-vestment portfolios) took more than...[One data table included]