A T.J. Maxx store in Pasadena, California.Mario Anzuoni | ReutersOff-price retailers like TJX Companies and Ross are still posting sales gains and taking market share from…

A sign hangs outside the Shein warehouse in Whitestown, Indiana, on Nov. 29, 2023.Scott Olson | Getty ImagesChinese-founded fast fashion behemoth Shein isn’t just working to…