The Sword of Damocles Hanging Over the AI Bull Market: It's Not Just South Korea—Leverage in U.S. Stocks Is Equally Alarming
```
Global stock markets have repeatedly hit new highs fueled by the AI surge, but the fuel underpinning this rally is becoming increasingly risky—from the US to South Korea, margin balances and leveraged ETF sizes have reached historic extremes. The procyclical nature of leverage is multiplying the tail risks of