US AI Stocks Plummet After Chinas DeepSeek Emerges Dragging Nasdaq Lower Novartis Upgrades FullYear Outlook on Strong Portfolio Momentum Barclays Increases Energy Transfer Price Target Citing Undervaluation China Against Everybody The New Geopolitics of Rare Earth Elements Nvidia Earnings Spotlight Jensen Huangs China Chip Comments in Focus After Xi Summit Salesforce Shares Slide as Revenue Outlook Disappoints Amid AI Competition Concerns ParkerHannifin Reportedly to Acquire Circor Aerospace from KKR