A concerning trend in Taiwan, dubbed “房、車、信貸、股票質押「四貸同堂” (housing, car, credit, and stock pledge “four loans coexist”), is emerging as AI investment fuels stock market activity. This practice involves individuals simultaneously taking out loans secured by their homes, vehicles, personal credit, and pledged stocks, creating a precarious financial situation. Medical professionals are warning against making important life decisions after 11 PM, suggesting heightened risk-taking behavior. The rise in this borrowing pattern is particularly impacting younger and middle-aged adults as they participate in the recent AI investment boom. Experts express fears that many are overleveraging themselves to capitalize on market gains, leaving them vulnerable to significant losses. This increasing debt burden could lead to widespread financial instability within Taiwan if the market experiences a downturn. The situation is being closely monitored for potential systemic risk.