TREASURIES-U.S. yields dip as Powell dials back optimism on economy

* Fed’s Powell assesses U.S. economy not overheating
* Fed’s Dudley says four rate hikes in 2018 would be
“gradual”
* U.S. core consumer inflation posts biggest rise in a year
* U.S. 10-year yield touches 2-week low, 2-year below 9-year
peak

(Updates market action, adds quote)
By Richard Leong
NEW YORK, March 1 (Reuters) – U.S. Treasury yields slipped
on Thursday as Federal Reserve Chairman Jerome Powell told U.S.
lawmakers that, while the economy was doing well, ther