UFCs Dana White Urges Trump to Reverse Gambling Tax Law Sending Ripples Through Prediction Markets Roundhill Memory ETF DRAM Surpasses 10 Billion in Record Time Fueled by AI Demand for Memory Chips Stocks Sink in Broad AI Rout as Chinas DeepSeek Sparks Market Turmoil Geopolitical Risks Resurface as FT Commentary Challenges Taiwan Assumptions