Broad AI Stock Selloff Deepens as Chinas DeepSeek Rattles US Tech Sector SP 500 Inches Higher as Healthcare and Tech Lead Communication Services Slips Ferrari Luce EV Launch Sparks Controversy Shares Drop Nearly 8 on Design Criticism Flex and Teradyne Robotics Deepen Partnership for Intelligent Manufacturing Automation Mastercard Secures New York BitLicense Expanding Crypto Footprint Market Record Run Top and Bottom Portfolio Performers Over Recent Six Weeks SpaceX IPO Opens to Retail Investors Through Major Brokerage Platforms