US DATA: Dec Tsy budget -$86b vs -$78b a yr ago, as expected. CBO
said the difference reflects calendar timing effects and overall the
monthly budget was little changed from last Dec. FYTD12 budget is
-$321.7b vs -$369b in FYTD11 as receipts are rising +4% YOY. UST-owned
MBS posted -$15.8b.