Weaker than expected economic data on the services sector of our economy lead to a brief rally in mortgage backed securities yesterday. However, as the day progressed however, ever-resilient stocks rallied off their morning lows leading MBS to close at their lowest levels since early July. A few lenders issued rate sheets while MBS were moving higher in the morning but once sentiment shifted, they quickly repriced for the worse. To remind readers, mortgage rates are set primarily by the trading of mortgage backed securities. As investor demand for MBS increases, the price of MBS moves higher which results in mortgage rates moving lower. Generally, the demand for MBS is higher during weak economic times as market participants move their money into the safety of the fixed income sector which includes MBS and U.S. Treasuries. ...