Lead Analysis
SK Hynix's record-breaking debut turns into Seoul's worst day ever
SK Hynix's Korea-listed shares (KRX: 000660) closed down 15.4% on Monday — the stock's largest one-day decline on record — just three trading days after its ADRs (SKHY) closed their Nasdaq debut up 12.76% at $168.01, capping a listing that raised roughly $26.5 billion — the largest U.S. share sale by a foreign company, surpassing Alibaba's $25 billion 2014 IPO. The reversal dragged Samsung Electronics down 10.7% to ₩254,500 and the Kospi down roughly 9%, triggering a 20-minute trading halt. Analysts point to three compounding mechanics: profit-taking after Korean shares had risen sixfold over the past year; uncertainty over how the new Nasdaq listing should price relative to the Korean shares (the ADRs had not yet opened for Monday's regular session when Seoul closed); and softer-than-expected HBM4 shipment growth heading into Q2 earnings — compounded by a fresh escalation in US-Iran tensions over the Strait of Hormuz (Brent +4.1% to $79.12/bbl) that hit memory names hardest: Kioxia fell over 12% in Tokyo.
"The current memory upcycle is tracking substantially stronger than expected, but our base case continues to assume normalisation in cycle dynamics." — Lorraine Tan, Morningstar
Wall Street's read is largely unchanged — 37 analysts hold a Strong Buy consensus on the Korean shares with an average target near ₩3.21 million — but the plunge is a reminder that even structurally tight HBM supply doesn't override positioning risk after a parabolic run.
The Board
Semiconductor Top-10 Board
Context: Nasdaq/NYSE names reflect Friday, Jul 10 close (last completed U.S. session); Samsung reflects Monday, Jul 13 KRX close.
| Company (Ticker) | Close | Day % | Driver |
|---|
| SK hynix (ADR SKHY) ★ | $168.01 | +12.76% | Nasdaq debut day (IPO priced $149); Korean shares then plunged -15.4% Monday — see lead |
| NVIDIA (NVDA) ★ | $210.96 | +4.03% | Friday bounce on Morgan Stanley AI-growth note; falling premarket Monday (-1.2%) with broad chip selloff |
| Micron (MU) ★ | $979.30 | -1.24% | Falling with SK Hynix on shared memory-cycle jitters; premarket -4.5% Monday |
| Samsung Electronics (005930.KS) ★ | ₩254,500 | -10.70% | Led Kospi's 9% rout alongside SK Hynix; accelerated Yongin fab start to 2029 |
| TSMC (TSM) | $434.11 | -0.65% | Record June revenue +68% YoY, Q2 revenue beat, ahead of Thursday's earnings |
| Broadcom (AVGO) | $399.97 | -0.28% | Apple $30B custom-chip deal tailwind fading into broader tech selloff |
| ASML | $1,797.32 | -0.38% | Ahead of Wednesday earnings; European equipment names down 1-2% on Iran/chip rout |
| AMD | $557.89 | +2.04% | Stifel raised price target to $635; falling premarket (-2.1%) with sector |
| Intel (INTC) | $109.84 | -2.40% | WSJ reports White House–brokered foundry deals improving turnaround case |
| Qualcomm (QCOM) | $189.16 | -1.02% | Tracking broad chip weakness; Q2 earnings due July 29 |
| Texas Instruments (TXN) | $311.46 | +0.95% | Fresh analyst price-target hikes (BofA $370, UBS $350, Citi $345) |
★ highlighted = today's news-driven movers.
Companies & Financials
Earnings, guidance, capex, filings
- TSMC posts record June revenue, +68% year-over-year (Jul 13): a 6.2% month-on-month jump, with first-half 2026 revenue of NT$2,404.48 billion (+35.6% YoY). Q2 revenue came in at NT$1.27 trillion ($39.63 billion), up 36% YoY, beating expectations ahead of Thursday's earnings call, where guided gross margin is 65.5-67.5%. Why it matters: confirms AI-driven advanced-node and CoWoS demand remains undiminished heading into the print investors will use to gauge whether the broader AI capex cycle is intact.
- SK Hynix CEO expects "worst-ever" memory supply shortage in 2027: CEO Kwak Noh-jung's comments, reported by Reuters, point to a structurally tight multi-year outlook. Why it matters: a bullish long-term pricing signal that stands in tension with Monday's stock reaction — the market is pricing near-term earnings risk, not the multi-year supply thesis.
- South Korea unveils record ₩800T ($531B) FY2027 budget draft: chips, AI data centers, and robotics are earmarked for top funding priority. Why it matters: direct fiscal tailwind for Samsung and SK Hynix domestic capacity and R&D even as their shares absorb Monday's selloff.
Memory Desk
DRAM, NAND, HBM signals
- DRAM/NAND contract pricing: TrendForce has conventional DRAM contract prices rising 58-63% quarter-on-quarter and NAND contract prices rising 70-75% QoQ for Q2, with PC DDR5 module pricing up 43-48% QoQ and DDR4 up 35-40%; 16GB DDR5 modules now average roughly $201.
- HBM4 pricing (estimate, not confirmed): HBM4 is estimated near $500 per 48GB stack (~$14/GB) on a confidential-contract basis — there is no public spot market for HBM, so this is an analyst estimate rather than a confirmed transaction price.
- HBM4 shipment tension: SK Hynix's Q2 HBM4 shipment growth is reportedly tracking below prior expectations, while Morningstar's Lorraine Tan noted SK Hynix's heavier HBM mix means it "could benefit less than Samsung from rising prices for conventional DRAM." Kioxia's more-than-12% drop in Tokyo shows the memory-sector repricing is not confined to Korea.
Supply Chain
Capacity signals amid the selloff
- TSMC's Chiayi Science Park expansion: two additional advanced-packaging plants (four total) — the most concrete capacity news of the day, directly targeting CoWoS bottlenecks.
- Samsung's Yongin fab pull-forward: timeline moved up one to two years — a second capex-acceleration signal from a major memory maker inside the same 24 hours as its steepest one-day stock decline, a split between near-term sentiment and long-term capacity commitment.
- Watch: Q2 earnings season begins this week with ASML (Wednesday) and TSMC (Thursday), where updated capex guidance will test both signals.
Policy Desk
Hormuz tensions, Korea's budget, and Intel's stake
- US-Iran hostilities over the Strait of Hormuz: reported attacks on vessels in the strait pushed Brent crude up 4.1% to $79.12/bbl and put the existing ceasefire "on the verge of collapse," driving broad risk-off that amplified the memory-sector-specific selloff — Nikkei -2%, CSI 300 -1.7%, Nasdaq 100 futures pointing to a -1.2% open. Why it matters: a geopolitical shock unrelated to chip fundamentals is compounding a stock-specific (SK Hynix) and sector-specific (memory) repricing, making it harder to disentangle sentiment from fundamentals in Monday's tape.
- South Korea's FY2027 budget & Intel's equity stake: covered above under Companies & Financials.
Analyst Corner
Independent Research & Analysis
- SK Hynix, Micron, Samsung: AI Is Breaking the Memory Chip Business Model (Bloomberg Opinion, Jul 13): thesis: the AI buildout is pushing memory chips to their physical limits, forcing the industry's leading manufacturers away from their traditional commodity-cycle playbook toward one that demands far more strategic and financial risk-taking — larger, less-hedged capex bets on uncertain multi-year AI memory demand. Financial argument: today's record profitability across SK Hynix, Micron, and Samsung is masking a structural shift in how much capital-allocation risk these companies must now carry, a tension directly visible in Monday's SK Hynix selloff.
Week Ahead
Calendar — next 5 trading days
| Date | Event |
|---|
| Tue, Jul 14 | US CPI (June), 8:30 Eastern; Q2 bank earnings season opens (JPMorgan, Wells Fargo, Goldman Sachs) |
| Wed, Jul 15 | US PPI (June), 8:30 Eastern; ASML Q2 2026 earnings |
| Thu, Jul 16 | TSMC Q2 2026 earnings; US Retail Sales (June), 8:30 Eastern |
| Fri, Jul 17 | No major scheduled semiconductor events |
| Mon, Jul 20 | No major scheduled semiconductor events |
On deck just past the window: Intel earnings (Jul 23), Texas Instruments earnings (Jul 22), Qualcomm earnings (Jul 29), Lam Research earnings call (Jul 29), KLA earnings (est. Jul 30), AMD earnings (Aug 4).
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