Troubles at Situational Awareness Point to Record Stock Market Leverage. Big banks lent Leopold Aschenbrenner’s firm billions to invest in the artificial intelligence boom. Then the firm had a meltdown. https://www.nytimes.com/2026/09/30/business/situational-awareness-stock-market-leverage.html?unlocked_article_code=1.FFE.uB5O.2Fwk_Y_bOAit&smid=url-share