System1 (SST) is up 36.2%, or $1.40 to $5.27. 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 SST: System1 Announces Reverse Stock Split Implementation System1 Announces Reverse Stock Split Effective June 11 System1 announces reverse stock split System1 Approves Base Salary for President Ursini System1 Inc. Earnings Call: Strong Growth Amid Challenges Disclaimer & DisclosureReport an Issue