SRL for [deteriorated]: But traders said the junk bond market increasingly is separating into a top - tier group , in which trades can be executed easily , and a larger group of lower - quality bonds in which liquidity -- or the ability to trade without too much difficulty -- has steadily [deteriorated] this year .
ARG-1: liquidity -- or the ability to trade without too much difficulty -- | ARG-M-MNR: steadily | ARG-M-TMP: this year | ARG-M-LOC: a larger group of lower - quality bonds | R-ARG-M-LOC: in which