Daily Woody Economy | Jun 23, 2026 (Tue) — SK hynix overtakes Samsung after 25 years
This is not a verdict on which company is better — it is a story about portfolio structure. SK hynix is concentrated in memory, and especially in HBM, so when the cycle turns up its profits jump with it. Samsung, spread across phones, appliances and foundry, sees the same boom diluted. SK hynix is up 348% this year; Samsung, 195%. Same supercycle, but the stock with single-direction exposure ran faster.
Brokers read the reversal as a stock-specific event rather than a full premium flip — helped by an expected U.S. ADR listing in August and an unusually deep set of leveraged products that funnel flows into one name. A 25-year changing of the guard tells you, in one line, what Korean equities are betting on. Concentration is the engine of a fast climb, and a downside risk of equal size.
The striking part is that almost no actual supply has moved yet. A licence has been issued; barrels have not yet flooded in. And still oil fell first. What the market is trading is not crude but conviction — the belief that the war premium is draining away. The February–May spike was built on fear; this slide is being built on relief.
The risk is the round-trip. Both sides agreed on a 60-day roadmap, but they have already stumbled once over how to read the text, and Lebanon remains a live variable. If a signature slips or breaks, the premium that drained out can snap back just as fast. Whether this lower oil price is structure or sentiment is not yet settled.
Cheaper oil is a clear positive for Korea, which imports every barrel it uses, easing both import prices and the trade balance. But the relief reaches pump and heating bills only with a lag — and with the won weak (1,537 per dollar), a softer crude price in dollars translates into a smaller break at home.
The root of this inflation is not overheating demand but an energy-driven supply shock. Raising rates cannot lower the price of gasoline. The hawkish lean is closer to pre-emptive defence — stopping supply-side prices from hardening into expectations. Warsh's shorter statement is a decision to say less; paradoxically, it makes each word weigh more.
The contradiction of falling oil and rising yields captures it. Cheaper crude eases the inflation case, yet the Fed has already chosen "higher for longer." Which of the two wins is the hinge for asset markets in the second half.
"Higher for longer" in the U.S. widens the rate gap with Korea and pressures the won — the backdrop to Monday's two-week-high in dollar-won. The Bank of Korea has flagged that inflation may stay above target, keeping its own tightening bias alive, so household loan rates are unlikely to fall easily.
Two markets are running inside one index — the two chip names, and everything else. With the top four stocks' share of total value climbing from 38.8% in January to 49.5% by early May, the KOSPI has drifted close to being an AI-semiconductor index. About 70% of this year's KOSPI gain has come from Samsung and SK hynix alone (LS Securities). That is why an investor diversified across the index cannot keep up with the index itself. Foreigners selling while retail buys raises the same question about the quality of the climb.
Brokers have lifted KOSPI targets toward 10,000–11,000. But Korea's fear gauge (VKOSPI) spiking to a record near 80 on June 18 says the same data can be read as overheating. The deeper the concentration, the wider the swing when direction turns.
Today's three scenes resolve into one structure. SK hynix passing Samsung; the KOSPI falling once you remove two names; Alphabet shedding 5% in New York. The events carry different names, but the root is the same. Money is being pulled into a single place called AI semiconductors.
Concentration is efficiency. Capital gathering where strength is greatest is a sign the market is doing its job. Yet New York sent a different signal today: the moment even the strongest names face the question of how much they spend rather than how much they earn, the story wavers. KOSPI 9,000 and Alphabet's drop are two faces of one coin. Are we watching the height of a climb, or the narrowing of its base?
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