The Kospi is a market worth about $4.3 trillion. It spent much of this year as a poster child for the global AI trade, and it has lost 22 percent of its value after the first half to become the worst-performing major benchmark in the second half. Turnover has collapsed roughly 70 percent from its peak in late May. Foreign investors are pulling back at the fastest pace in Asia, and local retail buyers are retreating too. The surface question is simple: why does the market keep funding an asset whose operators never produced revenue? The harder question is who decides the answer.
The Norwegian wealth tax study sits in the same paragraph and pulls against it. Fewer than 100 wealthy individuals left after Norway’s reforms, and tax revenue rose 71.5 percent from 2021 to 2024, with no drop in business activity or investment from the firms those owners controlled. The popular story said capital would flee; the money says otherwise. In Seoul, money left the AI trade when revenue stopped converting. In Oslo, money stayed when the rate rose. Both cases are decided by the same movement, and the verdict is the same: does the money exist?
The obvious reading is that the AI technology was overhyped. The truer reading is less charitable. The market never bought the technology; it bought a future revenue that the operators promised but had not yet produced. That future was a suggestion, and suggestions age. When the conversion stopped, the position was released. Jason Zweig, in The Devil’s Financial Dictionary, puts the mechanism in one line: “Whenever you consider a recommended asset allocation, ask which of the asset classes have low historical returns. If none of them do, you aren’t being assigned an asset allocation. You’re being invited to chase whatever is hot. Most likely right before it’s not.” Korea did not punish a belief; it punished a chase.
Revenue has replaced belief as the market’s gatekeeper. Every operator, from the AI builder funding infrastructure to the populist raising a mandate, is judged by the same test: did the money move? The people who cannot answer lose. A household budget does not care about the elegance of the plan; it cares about the number in the account. The same is true of markets. The story does not survive the check.
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