Ferrari bonuses in Suwon, 27-year highs in Taipei, structural reratings in Yokkaichi — the AI margin pool slid down the stack
TL;DR: Friday's tape was noise — the real signal was margin migration
On Friday June 5, the Philadelphia Semiconductor Index (SOX) cratered 10.26% — its worst single-day drop since the 2020 COVID shock. Triggered by a Broadcom print that fell short of expectations, the selloff bled into pre-market futures across four exchanges before Monday's open: Chicago Nikkei futures settled 2,645 yen below Osaka's close, Taiwan TAIEX night futures plunged 3,006 points, and the MSCI Korea ETF logged its worst session on record. The macro headlines screamed that the AI rally was done.
And yet the same week told a directly opposing story through a different lens — where margin is actually accruing in the AI value chain. Nvidia was downgraded to Hold by Seeking Alpha (earnings failed to lift the stock). Meanwhile, the companies that actually fabricate, package, populate with memory, and assemble those chips watched their order books fill with phrases like "booked through 2030" and "all-time record." The margin is sliding from the logo to everything below it.
Korea — Memory prices in the peak of the supercycle
Korean press on June 7 reported that Samsung Electronics and SK Hynix's combined Q2 operating profit will exceed KRW 150 trillion. Samsung alone is now penciled at KRW 88T and SK Hynix at KRW 64T — sharp upward revisions versus the Q1 baseline. Korea's April semi exports hit +158.18% YoY at $25.2B, following +138.21% in March and +139.75% in February — three straight months of triple-digit growth. Full-year exports are tracking toward $350B.
What matters is who is taking the margin. Japanese media reported that "Samsung's semiconductor division is paying Ferrari-level bonuses while Japanese peers can't afford a Prius." That one line compresses the entire value chain: Korea's memory duo, now in volume production on HBM3E and ramping HBM4, is taking the single largest pocket of the AI accelerator BOM. When you stack SK Hynix's reported consideration of a US listing on top, the capital reallocation reads less like a cycle bet and more like a structural revaluation.
Taiwan — Packaging, assembly, and cooling become the new margin stops
The same message rings louder in Taipei. Quanta (2382) surged +15.19% on the week to a 27-year high of NT$438 — right after Jensen Huang visited its Computex booth. Hongyi, an affiliate of GMI Cloud (which Huang name-dropped at GTC Taipei), spiked 35% in a single week. ABF substrates are now characterized by foreign brokers as a fresh upcycle , with glass substrate (TGV) flagged as the next stop. Taiwan cooling plays were tagged as a 2H26 "value rerating" trade — demand has doubled from GPU-only to GPU+custom-ASIC dual cycles. Powerchip (PSMC) posted May revenue of NT$5.77B (+58.86% YoY) on price hikes, marking its second consecutive month above NT$5B.
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