Global semi news — Korea, China, Taiwan, the US, and Japan. Government policy, export controls, capex moves, supply-chain shifts, and macro events. AI-classified and tagged with affected tickers. All headlines link back to the originating publisher.
Original: 台積電計畫出售 8.1% 世界先進股權，再緩降持股至 19% 不影響合作關係
TSMC (2330) announced a block-trade sale of up to 152M shares of Vanguard International Semiconductor (5347), equal to 8.1% of VIS, to financial investors. The disposal will cut TSMC's VIS stake from 27.1% to roughly 19%, with no further sales planned; strategic ties (silicon interposer production, GaN process licensing) remain intact.
Why it matters: Named ~8% block-trade sale in VIS by its largest shareholder TSMC is a clear stock-moving overhang/event for 5347 and a capital-allocation signal from 2330.
Original: 台積電擬出售世界先進8.1%股權 持股比降至19%
TSMC (2330) announced plans to sell up to 152M shares of Vanguard International Semiconductor (5347), about 8.1% of share capital, to financial investors via block trade, reducing its stake from 27.1% to roughly 19%. TSMC stressed the strategic partnership remains intact — including silicon interposer production and GaN process licensing — and said it has no further plans to sell down the stake; the move reflects TSMC's push to concentrate resources on advanced/specialty nodes and packaging while exiting 6/8-inch processes.
Why it matters: Named M&A/divestiture event involving two tracked tickers with a defined block-trade size and stake change, likely to move both names short-term.
Open source articleOriginal: 〈台股盤後〉台日韓股同步高空跳水 收跌579點 周線翻黑爆出天量
TAIEX reversed from an intraday record 42,408 to close down 579 points at 41,172 as a global bond sell-off (30Y UST at 5%, 10Y JGB above 2.7% — a 1997 high, 10Y KTB at 4.186%) triggered heavy profit-taking; Kospi fell over 6% and Nikkei -2.6% in tandem. TSMC slipped to NT$2,265 and MediaTek dropped ~4% to NT$3,260, while Hon Hai and UMC bucked the trend; TSMC's tech forum highlighting COUPE and AI glasses lifted optical names like Largan, Genius and Sintai.
Why it matters: Broad market/macro story driven by a global bond rout rather than a stock-specific catalyst, though it materially repriced TW large-cap semis and signals risk-off for KR/JP tech.
Open source articleOriginal: AI 熱潮助攻半導體業，韓股 KOSPI 首度突破 8,000 點
Korea's KOSPI briefly broke above 8,000 for the first time, up from ~2,600 a year ago, driven by AI-fueled demand for HBM and advanced memory from Samsung Electronics and SK Hynix, which both posted record Q1 profits. Samsung shares are up ~190% and SK Hynix ~220% over the past six months, and Seoul plans to triple AI-related spending this year to join the US and China as a top-three AI power.
Why it matters: Index milestone driven by named HBM leaders Samsung and SK Hynix with record earnings, ~190-220% six-month moves, and a tripling of government AI spend — directly stock-moving for KR semis.
Open source articleOriginal: COUPE 與 CoWoS 整合布局強壓對手，台積電張曉強：COUPE 未來將與 CoWoS 一樣知名
TSMC executives said its COUPE silicon-photonics co-packaged optics platform will become as ubiquitous as CoWoS, with the first 200Gbps micro-ring modulator entering mass production in 2026 and a 4Tbps/mm bandwidth target by 2030. Nvidia is integrating COUPE into Spectrum-X, Broadcom into Tomahawk 6-Davisson switches, and AMD plus Lightmatter are in testing/tape-out — reinforcing TSMC's advanced-packaging moat alongside CoWoS for AI datacenters.
Why it matters: Roadmap/positioning update on TSMC's silicon-photonics platform with named customers but no new contract value or capex figure, so it's a supply-chain narrative rather than a discrete stock-moving event.
Open source articleOriginal: H200 銷中長路漫漫？葛里爾：晶片出口非談判重點
USTR Jamieson Greer told Bloomberg TV that advanced chip export controls were not discussed in the Trump-Xi meeting, despite Nvidia CEO Jensen Huang joining the delegation and fueling hopes for H200 sales to China. Former Commerce Secretary Carlos Gutierrez added that a US-China deal on advanced chip exports remains far off, signaling continued uncertainty for Nvidia's China revenue and the HBM/foundry supply chain serving it.
Why it matters: Policy commentary signals continued H200 China-sales uncertainty, indirectly affecting Nvidia's HBM (SK Hynix, Samsung) and foundry (TSMC) supply chain, but no concrete deal or capex change.
Open source articleOriginal: 麻煩大了！三星提無條件再次協商，工會代表：罷工後再談！
Samsung Electronics management formally proposed unconditional resumption of talks on May 15, including transparency on the OPI bonus scheme (choice between 10% of operating profit or 20% of EVA) and an uncapped special compensation system. The union rejected the timing, vowing to proceed with a May 21–June 7 general strike before returning to the table, with Korean government officials warning of a potential 43 trillion won impact and unprecedented emergency mediation.
Why it matters: A confirmed multi-week Samsung Electronics strike (May 21–June 7) with an estimated 43 trillion won impact and potential government emergency mediation is a clear stock-moving event for 005930 and its supply chain.
Original: 郭明錤：英特爾代工蘋果為千載難逢機會，未來仍取決於 Intel 18A-P 良率
Analyst Ming-Chi Kuo says Apple and Intel have struck a preliminary foundry agreement, with 80% of Intel 18A-P orders earmarked for the A21 iPhone chip and 20% for the base M7, ramping from small-scale testing in 2026 to volume in 2027-2028. TSMC retains the bulk of Apple's advanced-node business — the high-end A21 Pro stays at TSMC — and the Intel tie-up's fate depends on Intel hitting its 50-60% 18A-P yield target by 2027.
Why it matters: Named multi-year foundry contract between Apple and Intel with explicit volume share, timeline, and yield targets directly impacts TSMC's advanced-node revenue mix.
Open source articleOriginal: 中國市場內卷衝擊中芯國際毛利率難提升，期待客戶端漲價效應帶動業績
SMIC posted Q1 2026 revenue of $2.505B (+0.7% QoQ) with gross margin of 20.1%, still trailing UMC's ~30% despite SMIC overtaking UMC as the world's #3 foundry behind TSMC and Samsung. Management guides Q2 revenue +14-16% QoQ and GM of 20-22%, citing ASP hikes, AI 'siphon effect' pulling consumer/IoT orders back to China, and tight specialty memory/power-management capacity. Read-through is mildly positive for TSMC (2330) as SMIC remains structurally below leading-edge peers, while specialty memory tightness supports the broader memory complex.
Why it matters: SMIC earnings are a sector/supply-chain data point with read-through to TW foundries and memory tightness, but no direct stock-moving catalyst for the tracked TW/KR universe.
Open source articleOriginal: 盤中速報 - 櫃買市場加權指數下跌-8.54點至418.03點，跌幅2%
Taiwan's OTC weighted index dropped 8.54 points (-2%) to 418.03 in morning trade, with the SDN concept group down 3.99% and auto-memory names off 3.12%. Notable decliners include Accton (2345-TW) -4.86%, Nanya Tech (2408-TW) -6.74%, and Winbond (2344-TW) -4.1%, signaling profit-taking after the index's +54% YTD run.
Why it matters: Broad market-data story on a sector pullback affecting tracked names Accton (2345) in SDN/networking, with no single stock-moving catalyst.
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