ソース:[1] AI bubble fears get worse. Wall Street plays it cool (https://qz.com/ai-boom-bubble-fears ...)[2] Sam Altman warns AI market may be a bubble - Tech in Asia (https://vertexaisearch.cloud.google.com/groun ...)[3] Markets spooked as MIT report finds 95pc of business see no GenAI ROI - Silicon Republic (https://vertexaisearch.cloud.google.com/groun ...)