Shoppers explore a mostly empty mall in Columbus, Ohio.

Don't expect the stream of departures from retailers' C-suites to stop anytime soon.

Already this year, Gap and Bed Bath & Beyond abruptly replaced their CEOs as the companies' sales plunged. GameStop fired its chief financial officer in the middle of the video game retailer's efforts to revamp its business. After sticking around to help Dollar General navigate the pandemic, the company's longtime CEO said he was retiring.