(1) When bond yields rise and prices fall, the market is said to back-up. (2) When an investor swaps out of one security into another of shorter current maturity , he/she is said to back up.
BACK-UP
Meaning of BACK-UP in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012