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北京时间·🕒 发布 10:40:51时区推断·⟳ 抓取 10:41:10·⚡ 决策 07-28 10:41:50 +40s·91.3 天前
亚洲半导体股跟随美股芯片板块下跌，CNBC称AI交易波动加剧
这是一篇对已发生半导体板块下跌的盘面复盘，没有披露新的订单、客户、指引、监管或公司级经营事实。
📄 原文CNBC Top News↗ 原文
Shares of SK Hynix plunge 10% in Seoul as semiconductor sell-off deepens
South Korean semiconductor shares tumbled on Tuesday, extending a rout in chipmakers after another weak session on Wall…
不做 VanEck Semiconductor ETF（SMH.US）
行业盘面复盘和已发生的价格结果，不是新增公司级催化；无法形成同向可执行交易，不做。
展开详情(成交明细 / 研究档案 / 原文全文 / 决策记录链)
研究档案
🔎 新鲜度:最早出现 2026-07-28 · 扩散 high · price-in 风险 high ↗
关键理由
- 这是一篇对已发生半导体板块下跌的盘面复盘，没有披露新的订单、客户、指引、监管或公司级经营事实。
- 正文只说明SK海力士、三星电子、东京电子、Advantest、Kioxia、TSMC等已同步下跌，属于价格结果而非新增可交易催化。
- AI资本开支不确定性和杠杆ETF放大波动是行业背景判断，无法形成短周期同向可执行交易。
主要风险
- 若后续出现美国云厂capex下修、HBM订单取消或公司指引下调等新增事实，应由新信号重新研判。
原文全文
展开原文 · 2,092 字
South Korean semiconductor shares tumbled on Tuesday, extending a rout in chipmakers after another weak session on Wall Street.
SK Hynix plunged more than 10%, while Samsung Electronics fell over 8%. Other AI-linked names also came under heavy selling, with Samsung SDI dropping over 7%, LG Innotek sliding nearly 14%, Seoul Semiconductor falling about 6% and LG Chem losing more than 4%.
Japan's semiconductor sector also traded lower. Tokyo Electron dropped more than 9%, Advantest slid over 8%, while SoftBank Group, a major AI investment proxy through its stake in Arm, fell nearly 5%. Shares of Japan computer memory manufacturer Kioxia plunged more than 15%. Taiwan's TSMC was down over 2%.
The selloff followed another weak session for U.S. semiconductor stocks on Monday. The VanEck Semiconductor ETF (SMH) lost more than 2%, adding to its Friday losses. AMD and Teradyne dropped 5% and 4%, respectively. Micron Technology shed about 2%.
The weakness underscores how closely Asian technology shares and the U.S. AI trade have become intertwined.
Samsung Electronics and SK Hynix are among the world's largest suppliers of high-bandwidth memory chips used in AI servers, making their shares particularly sensitive to shifts in expectations for spending by U.S. hyperscalers.
Sharp swings in SK Hynix shares underscore the uncertainty surrounding the AI investment cycle, said Acadian Asset Management's senior vice president Owen Lamont, arguing that investors still have little visibility into how the technology will ultimately affect the economy.
"Right now we're facing an incredible uncertainty," he told CNBC. "No one has any idea how this AI process is going to affect our economy, and so I think it's going to be rocky no matter what."
Lamont also added that leveraged exchange-traded products could be adding to market swings, even if they are not solely responsible for SK Hynix's recent volatility.
"More generally, the entire ecosystem of levered ETFs in Korea, also in Hong Kong and in the United States, are possibly adding volatility and magnifying market fluctuations."
SK Hynix plunged more than 10%, while Samsung Electronics fell over 8%. Other AI-linked names also came under heavy selling, with Samsung SDI dropping over 7%, LG Innotek sliding nearly 14%, Seoul Semiconductor falling about 6% and LG Chem losing more than 4%.
Japan's semiconductor sector also traded lower. Tokyo Electron dropped more than 9%, Advantest slid over 8%, while SoftBank Group, a major AI investment proxy through its stake in Arm, fell nearly 5%. Shares of Japan computer memory manufacturer Kioxia plunged more than 15%. Taiwan's TSMC was down over 2%.
The selloff followed another weak session for U.S. semiconductor stocks on Monday. The VanEck Semiconductor ETF (SMH) lost more than 2%, adding to its Friday losses. AMD and Teradyne dropped 5% and 4%, respectively. Micron Technology shed about 2%.
The weakness underscores how closely Asian technology shares and the U.S. AI trade have become intertwined.
Samsung Electronics and SK Hynix are among the world's largest suppliers of high-bandwidth memory chips used in AI servers, making their shares particularly sensitive to shifts in expectations for spending by U.S. hyperscalers.
Sharp swings in SK Hynix shares underscore the uncertainty surrounding the AI investment cycle, said Acadian Asset Management's senior vice president Owen Lamont, arguing that investors still have little visibility into how the technology will ultimately affect the economy.
"Right now we're facing an incredible uncertainty," he told CNBC. "No one has any idea how this AI process is going to affect our economy, and so I think it's going to be rocky no matter what."
Lamont also added that leveraged exchange-traded products could be adding to market swings, even if they are not solely responsible for SK Hynix's recent volatility.
"More generally, the entire ecosystem of levered ETFs in Korea, also in Hong Kong and in the United States, are possibly adding volatility and magnifying market fluctuations."
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