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Hong Hao
2026-09-04 13:08:10

Hong Hao on the AI Trade: Why South Korea’s Chip Stocks Unwound Faster Than Any Prior Bubble

Economist Hong Hao used South Korea’s semiconductor selloff to explain what he sees as the mechanics behind the AI trade, its mid-year cooldown, and the speed with which crowded positions can reverse. In his account, the chip rally shared the same core ingredients seen in earlier bubbles: a powerful narrative, expanding leverage, and a market structure that rewards trend followers while pushing contrarian investors to the margins. Hong said the South Korean semiconductor complex went from a peak to roughly half that level in about 40 days, a move he described as a key case study for reading cycles, leverage, and crowd behavior. He argued that standard assumptions taught in traditional finance — full information, fully rational participants, and frictionless trading — do not hold in real markets. He also pointed to a rare period in which gold and equities rose together, saying that such a pattern signals a regime shift in which traditional hedges and correlation-based portfolio construction can break down. The discussion extended to the failure of the 60/40 stock-bond model during the 2022 inflation shock, the role of leveraged ETFs in amplifying gains and losses, and the illusion of diversification when dozens of positions share the same risk exposure. Even so, Hong did not frame bubbles as purely destructive. He said large bubbles can mobilize capital, labor, and infrastructure spending around technologies such as AI, GPUs, storage, and robotics, even if prices eventually collapse first.

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Hong Hao on the AI Trade: Why South Korea’s Chip Stocks Unwound Faster Than Any Prior Bubble
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