http://www.mortgagenewsdaily.com/mortgage_rates/blog/284713.aspxLate day illiquidity is pushing production MBS prices lower following the 3pm Treasury close and Treasuries themselves are leaking higher in yield as the after hours session kicks in. Negative reprices have already been a sort of constant companion sinceenCommunityServer 2008 SP2 (Build: 31106.96)