Bill Ackmans Pershing Square Takes New Stake in Microsoft Betting on AI Growth Anthropic to Brief Global Financial Regulators on AI Cyber Vulnerabilities Exposed by Mythos Nasdaq Slides as Technology Stocks Decline Amid Rising Treasury Yields Xi Jinping Reassures US Firms China to Open Door Wider Amid Trump Visit ProDex Inc PDEX Edges Higher Testing Resistance at 6670 Republic Bancorp Inc RBCAA Edges Higher Amid Steady Range Trading Compass Minerals CMP Rises 1 as Shares Approach Resistance Near 3343 Powell Industries POWL Surges 457 as Buying Pressure Intensifies