Skin care Yatsen (YSG) Reported 40.4% Skincare Growth but a Larger GAAP Operating Loss. Can Portfolio Mix Outrun Marketing Intensity? – Yahoo Finance UK September 9, 2026 jhgreene Yatsen (YSG) Reported 40.4% Skincare Growth but a Larger GAAP Operating Loss. Can Portfolio Mix Outrun Marketing Intensity? Yahoo Finance UK