ソース:[1] Goldman Sachs issues a warning to AI stock investors (https://finance.yahoo.com/news/goldman-sachs- ...)[2] Goldman Sachs issues a warning to AI stock investors : r/StockMarket - Reddit (https://vertexaisearch.cloud.google.com/groun ...)[3] Synthesized Report: Investor Demand for Tangible Earnings in AI Stocks' 'Phase 3' (https://www.example.com/synthesized-ai-earnin ...)