Shein’s I.P.O. Presents Tests on Wall Street and Washington

Shein aims to win over Wall Street and Washington In filing confidentially for an initial public offering, Shein, the ultrafast-fashion retailer, is showing ambition on two fronts. The company and its underwriters are betting that investors will be more receptive to I.P.O.s, even though high-profile market debuts this fall largely fizzled out. Shein is also …