LOS ANGELES, CA / ACCESSWIRE / November 20, 2022 / The Schall Law Firm , a national shareholder rights litigation firm, announces the filing of a class action lawsuit against Yatsen Holding Limited ("Yatsen" or "the Company") (NYSE:YSG) for violations of the federal securities laws. Investors who purchased the Company's American Depository Shares ("ADS") pursuant and/or traceable to the Company's initial public offering conducted on November 19, 2020 (the "IPO"), or between November 19, 2020 and...