Feds Powell Vows No Shadow Chair Role but Warsh Dynamics May Complicate Meetings Bureau of Prisons AI Contract Signals Technology Shift in Correctional Management Dating Startups Battle Profile Fraud New Services Aim to Verify Authenticity MGM Resorts Surges Above Buy Point Leads SP 500 on Analyst Upgrades and Las Vegas Recovery Hopes Key Market Movers SpaceX IPO Speculation Nvidia Earnings and Bezos AI Bubble Comments Highlighted in CNBCs Morning Squawk WHO Declares Ebola Outbreak a Public Health Emergency Potential Economic and Market Implications Nvidia Stock Approaches Key Level as Market Watchers Eye Potential Breakout