10yr Auction to The Rescue Today's 10yr Treasury auction was the only relevant calendar event in terms of potential market movement and it lived up to its billing. Unlike the set-up to many auctions, there was no meaningful weakness in bonds ahead of the 1pm cut-off. The results themselves were decidedly strong and the immediacy of the market reaction reflected that. Yields dropped 4bps more or less instantly, and MBS ultimately added another eighth of a point of improvement to the eighth that was already in play before the auction. From here, attention turns to Wednesday's Fed announcement, specifically for Powell's press conference (because there's zero chance of a rate cut at this meeting).  Econ Data / EventsTrade Gap-140.50b vs -137b f'cast, -123.20b prev Market Movement Recap09:25 AM Initially weaker overnight, then steadily stronger into AM hours.  MBS unchanged and 10yr nearly unchanged at 4.344 01:04 PM Moving into positive territory after 10yr auction (which came in about 1.2bps below expectations). 10yr yield now down 2.1bps on the day at 4.326 and MBS up nearly an eighth of a point. 02:25 PM Off the best levels, but still stronger.  MBS up 6 ticks (.19).  10yr down 2.5bps at 4.321 03:59 PM Back in rally mode.  MBS up a quarter point and 10yr down 4.2bps at 4.303