5月25日 22時のAI速報をお届けします。
▼ トピック
1. Roundhill Memory ETF DRAM 史上最速成長
https://247wallst.com/investing/2026/05/25/the-fastest-growing-etf-in-history-is-riding-the-supercharged-ai-memory-boom/
2. AI Security models→systems パラダイムシフト Google/UCSD/UWisc
https://www.csoonline.com/article/4176725/ai-security-needs-a-shift-from-models-to-systems-researchers-argue.html
3. SpaceX OpenAI IPOs AIバブル懸念 BofA Hartnett 40%→48%
https://finance.yahoo.com/markets/article/spacex-and-openai-ipos-could-push-the-ai-trade-deeper-into-bubble-territory-chart-of-the-day-120000795.html
4. Goldman Sachs AI離脱推奨銘柄 CNBC
https://www.cnbc.com/2026/05/25/want-to-hop-off-the-ai-trade-goldman-says-buy-these-stocks-that-have-nothing-to-do-with-it.html