Trump's military action against Iran has caused the North Asian stock markets to suffer the most severe declines globally. The deeper root of this crash is not the direct impact of Middle Eastern warfare on the Asian economy, but rather the overcrowding in AI semiconductor trading and historically high leverage positions, which were forced to liquidate under external shocks.
On Wednesday, panic selling swept through Seoul and Tokyo. The South Korean benchmark index KOSPI fell more than 10% for two consecutive trading days, marking the largest two-day decline since 2008. Prior to this, global funds were massively rotating from U.S. software stocks to Asian semiconductor and hard technology targets, with the financing balance and new accounts in the Korean market both reaching historical peaks.
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After the outbreak of the Iran conflict, the U.S. dollar suddenly strengthened, leading to a decrease in the attractiveness of emerging market assets; at the same time, the market was concerned that sustained oil price shocks would drive up inflation, forcing local central banks to raise interest rates, thereby increasing financing transaction costs. The financial conditions in South Korea, which were at their loosest levels in decades, faced sudden tightening, with high-leverage long positions being the first to bear the brunt. The original theme of &#34;selling America&#34; for global diversification, under the dual pressure of extremely crowded positions and capital outflows, evolved into indiscriminate selling of Asian assets.
Bloomberg analysis suggests that the driving force behind this round of selling primarily comes from capital flows rather than a deterioration in fundamentals. The narrative of a super cycle for memory chips from Samsung Electronics and SK Hynix, as well as the strong performance of TSMC confirming the trend of AI capital expenditure, have not seen a substantial reversal—Asian corporate earnings revisions are still stronger than those in the U.S.
<h2>Capital Flows Drive the Crash, Why North Asia Became the Hardest Hit</h2>
Bloomberg analysis points out that the steep market decline is often far more related to capital flows than to actual changes in fundamentals. Before this crash, as global investors rotated from software companies to AI infrastructure targets, hot money was pouring into Asia in search of semiconductor and hard technology investment opportunities. The continued expansion of AI trading is the deep-rooted reason for the significant drop in the North Asian market this week.
While North Asian economies are highly dependent on oil and gas imports, the direct energy shock faced by Europe in this Middle Eastern conflict may be more urgent.
Moreover, unless the Strait of Hormuz is blocked for an extended period, North Asian economies have a certain buffer capacity due to national strategic reserves—Japan is estimated to have about 254 days of oil reserves. This means that the severe sell-off in the North Asian market is less about pricing in the impact on the real economy and more about the concentrated liquidation of leveraged positions.
<h2>AI Narrative Attracts Hot Money, Record Positions Create Hidden Risks</h2>
Before the crisis erupted, the investment narrative for hard technology in North Asia was almost entirely positive. Both Samsung Electronics and SK Hynix indicated that the supply shortage of memory chips would continue until 2027, and the market generally expected that the two companies had entered a super cycle lasting several years; analysts have continuously revised up their earnings expectations for Samsung Electronics. Meanwhile, TSMC's strong performance further confirms that U.S. mega-cap tech companies will continue to increase AI capital expenditures, and the logic for Asian suppliers to benefit remains valid
Hot money is rapidly concentrating on a few winners. According to Bloomberg data, in the week before the escalation of the Middle East situation, the iShares MSCI Korea ETF, with a scale of $16 billion, recorded a net inflow of over $1.2 billion, setting a record for the highest weekly inflow in the fund's 25-year history. Meanwhile, Korean retail investors have changed their decades-long habit of avoiding blue-chip stocks, making significant purchases of KOSPI component stocks, with both the number of active accounts and the financing balance hitting historical records.
As a result, Asian AI infrastructure trading has become highly crowded—laying the groundwork for a subsequent panic sell-off.
<h2>Middle East Conflict Triggers Chain Deleveraging</h2>
As the conflict in Iran continues to escalate, funds are beginning to retreat. The sudden strengthening of the dollar has eroded the allocation logic for emerging market assets; the market is also concerned that the ongoing oil price shock will drive up inflation and force central banks around the world to raise benchmark interest rates, thereby increasing the cost of financing transactions.
According to Goldman Sachs and Bloomberg data, financial conditions in South Korea were previously at their loosest levels in decades. Once financing costs begin to tighten, long positions supported by financing balances will face pressure to be forcibly liquidated, accelerating the downward spiral in the market.
A deeper dilemma is that this year's overarching theme of international diversification has led to a level of capital inflow into North Asia that far exceeds normal levels. A geopolitical shock occurring thousands of miles away is enough to trigger severe reverse volatility. The reallocation logic of &#34;selling America&#34; has thus transformed into an indiscriminate liquidation of Asian assets.
<h2>The Deleveraging Process is Painful, but May Be a Healthy Correction</h2>
Bloomberg analysis suggests that this sell-off should be viewed as a painful yet healthy deleveraging process. It will eliminate momentum-driven speculators who chase highs and lows, allowing the market to return to investors who genuinely focus on corporate earnings and reasonable valuations.
In terms of earnings fundamentals, the upward revision of earnings in Asia is currently still stronger than in the United States. Analysts' earnings expectations for Samsung Electronics remain in a continuous upward revision channel and have not yet made substantial downward adjustments to its super cycle narrative. Once the deleveraging is complete, for funds genuinely focused on the semiconductor super cycle and long-term trends in AI infrastructure, the valuation levels after a thorough washout may provide a more solid basis for re-entry.
Risk Warning and Disclaimer
The market has risks, and investment should be cautious. This article does not constitute personal investment advice and does not take into account the specific investment objectives, financial situation, or needs of individual users. Users should consider whether any opinions, views, or conclusions in this article are suitable for their specific circumstances. Investment based on this is at one's own risk

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HKOD

Asian stock markets crashed due to the Middle East conflict, especially the North Asian markets which suffered heavy losses. The fundamental reason for the crash lies in the overcrowded and highly leveraged positions in AI semiconductor trading, leading to panic selling. The South Korean KOSPI index fell more than 10% for two consecutive days, marking the largest decline since 2008. Although the market is concerned about rising oil prices and worsening inflation, Bloomberg analysis suggests that the sell-off is primarily driven by capital flows, with no substantial deterioration in fundamentals. The earnings revisions of Asian companies remain stronger than those in the United States, and North Asian economies have a certain degree of buffering capacity

- The Iranian conflict has led to significant stock market declines in North Asia, primarily driven by excessive leverage in AI semiconductor trading, rather than a direct impact from Middle Eastern tensions.  
- KOSPI dropped over 10% for two consecutive days, marking the largest decline since 2008, as investors rushed to sell amid rising inflation concerns and tighter financial conditions in South Korea.  
- Bloomberg analysis indicates the sell-off was largely due to capital flow dynamics, despite strong fundamentals in Asian tech sectors, suggesting a painful but potentially healthy de-leveraging process in the market.

Wallstreetcn

Why did the Asian stock market crash? The Middle East conflict punctured high leverage, but the fundamentals of AI chips remain unchanged