Given a text, write a compressed version of it in a single sentence.

Since HCTAR's 1992 survey, informal case evidence suggests that these disparities in operating and financial performance have only grown larger, as lean retailing continues to sweep across distribution channels. The least innovative apparel suppliers are seeing their chances for survival dwindle every year.
Since HCTAR's 1992 survey, informal case evidence suggests that these disparities in operating and financial performance have only grown larger.