Vickers Top Buyers Sellers Report Insider Trading Activity for May 27 2026 SpaceX IPO Hype or Substance Analysts Question Astronomical Valuations Zscaler Shares Plunge 31 in Record Drop Following Cautious Guidance and Sales Reorganization Marco Rubio Navigates CubanAmerican Backlash in Pursuit of Economic Deal with Havana States Push Back Against Prediction Markets Regulatory Clash Intensifies Jobless Claims Remain Low Signaling Continued Labor Market Strength Plus500 Reports 11 Revenue Growth Reaffirms FullYear Expectations