Citigroup Knocks Builder Stocks and Takes Hit of Their Ownhttp://www.mortgagenewsdaily.com/11262007_Homebuilder_Stocks.aspLate Monday morning one of Citigroup's analysts, Stephen Kim, downgraded the entire homebuilding sector because he could not find anything to suggest that the residential housing market would improve until the second quarter of 2008. Kim downgraded stocksenCommunityServer 2008 SP2 (Build: 31106.96)