UK PM Starmer Signals Tougher Social Media Regulation After Meeting with Bereaved Parents US Military Drill in Venezuela Signals Geopolitical Risk Amid Political Transition SP 500 Ekes Out Gains as Healthcare and Technology Lead Communication Services Lags Charter Communications Announces Improved Buyout Proposal for Liberty Broadband Commonwealth Bank CEO Matt Comyn Warns AI Will Reduce Team Sizes Urges Workforce Planning Jim Cramer Urges Investors to Focus on Upside Potential for AI Stock Winners Amazon Reports Record Thanksgiving Holiday Sales and Item Volumes