Hitachi Secures Contract for Railway Signaling System in Mexico SK Hynix Joins TrillionDollar Valuation Club on AIDriven Chip Demand Surge Tulsi Gabbard Resigns as Trump Intelligence Chief Amid Husbands Cancer Diagnosis Nvidia Stock Approaches Key Level as Market Watchers Eye Potential Breakout Bitcoin Retreats to 74500 Poised for Weekly Decline as Geopolitical Concerns Mount Nvidia Boosts Dividend and Buybacks Amid Surging Free Cash Flow Valuation Could Offer Upside Micron Reaches 1 Trillion Market Cap as AI Memory Shortage Drives 19 Stock Surge