AI Infrastructure Stocks Tumble as Chinas DeepSeek Sparks Broad Market Rout AEX Index Dips 021 as Netherlands Stocks Close Lower SpaceX OpenAI Anthropic IPO Valuations Could Rival Berkshire Hathaway Polymarket Traders Suggest Prediction Market Suggests SpaceX OpenAI and Anthropic Could Command FirstDay Valuations Above 14 Trillion SP 500 Reaches Record Close on AI Enthusiasm Micron Market Cap Hits 1 Trillion UK Exports to US Slide 25 Following Trumps Tariff Measures Turning Trade Surplus into Deficit Thematic Mutual Funds Lose Investor Favor Amid Market Shifts and Regulatory Changes