Yatsen (YSG) is up 12.3%, or 50c to $4.58. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on YSG: Yatsen rises 11.1% Yatsen rises 16.2% Yatsen falls -6.7% Yatsen rises 12.8% Yatsen rises 9.5% Disclaimer & DisclosureReport an Issue