Wall Street Retreats from Record Highs as AI Stocks Slide and Oil Prices Climb Zerodhas Nithin Kamath No Suspicious Trades Before Gold Import Duty Hike Highlights Indias Vigilance vs Global Insider Trading Normalization Deepening Memory Chip Crunch Widens Gap Between Stock Winners and Losers Ghana Evacuates Hundreds From South Africa Amid AntiImmigrant Unrest