I don't have a clue about Treasuries, other than the fact that the USG is going to try to sell A LOT of them ...
What was spooky to me:
1) alex' buying puts in case the auction went badly 2) headline on CNBC.com about the 7 year at 3.3% auction 3) it was 1pm sharp 4) and the ES just went UP, and SPY went UP, and the volume went UP