Does 'By the mid-1980s, a number of the most prestigious retailers were faltering, with some filing for bankruptcy or being acquired by other retailers.' exist in a separate context from 'In the 80s, many prominent retailers were failing, filing for bankruptcy or being purchased.', without logical interdependence?
By the mid-1980s, a number of the most prestigious retailers were faltering, with some filing for bankruptcy or being acquired by other retailers.###In the 80s, many prominent retailers were failing, filing for bankruptcy or being purchased.