{"id":438052,"date":"2026-09-15T03:40:06","date_gmt":"2026-09-14T20:40:06","guid":{"rendered":"https:\/\/www.swingfish.trade\/blog\/market-news\/ai-and-chip-stocks-tumble-as-weekend-warnings-challenge-the-sectors-growth-assumptions-438052\/"},"modified":"2026-09-15T03:40:06","modified_gmt":"2026-09-14T20:40:06","slug":"ai-and-chip-stocks-tumble-as-weekend-warnings-challenge-the-sectors-growth-assumptions","status":"publish","type":"post","link":"https:\/\/www.swingfish.trade\/blog\/market-news\/ai-and-chip-stocks-tumble-as-weekend-warnings-challenge-the-sectors-growth-assumptions-438052\/","title":{"rendered":"AI and chip stocks tumble as weekend warnings challenge the sector\u2019s growth assumptions"},"content":{"rendered":"<div>\n<p>AsI and semiconductor stocks are under heavy selling pressure, significantly outpacing the more modest declines in the broader technology market.<\/p>\n<ul>\n<li>\n<p>Nasdaq Composite: -0.35%<\/p>\n<\/li>\n<li>\n<p>Nasdaq 100: -0.60%<\/p>\n<\/li>\n<\/ul>\n<p>Against those declines, some of the market\u2019s leading AI, semiconductor and data-center names are being hit considerably harder:<\/p>\n<ul>\n<li>\n<p>Coherent: -11.70%<\/p>\n<\/li>\n<li>\n<p>Astera Labs: -10.78%<\/p>\n<\/li>\n<li>\n<p>Lumentum: -9.88%<\/p>\n<\/li>\n<li>\n<p>Arm Holdings: -9.01%<\/p>\n<\/li>\n<li>\n<p>Lam Research: -7.72%<\/p>\n<\/li>\n<li>\n<p>SK Hynix: -7.67%<\/p>\n<\/li>\n<li>\n<p>Credo Technology: -7.48%<\/p>\n<\/li>\n<li>\n<p>ASML: -7.10%<\/p>\n<\/li>\n<li>\n<p>Marvell Technology: -6.74%<\/p>\n<\/li>\n<li>\n<p>Monolithic Power Systems: -6.59%<\/p>\n<\/li>\n<li>\n<p>CoreWeave: -6.41%<\/p>\n<\/li>\n<li>\n<p>Applied Materials: -6.62%<\/p>\n<\/li>\n<li>\n<p>KLA Corp.: -6.37%<\/p>\n<\/li>\n<li>\n<p>Nebius: -5.05%<\/p>\n<\/li>\n<li>\n<p>Micron: -4.94%<\/p>\n<\/li>\n<\/ul>\n<p>What changed over the weekend?<\/p>\n<p>The selling follows warnings from leading figures at Anthropic, OpenAI and xAI about the risks created by the rapid development of increasingly powerful AI models. The concerns included <\/p>\n<ul>\n<li>cybersecurity, <\/li>\n<li>biological threats, <\/li>\n<li>economic disruption and the <\/li>\n<li>possibility that development is moving faster than the industry\u2019s ability to control it.<\/li>\n<\/ul>\n<p>Those comments raised the prospect of a more measured pace of AI development, increased government oversight and additional spending on safety and governance. <\/p>\n<p>President Trump pushed back against slowing AI development, arguing that it would benefit China, and calling it a HOAX (in capital letters) Nevertheless, the warnings were enough to challenge the market\u2019s aggressive assumptions about uninterrupted AI growth. <\/p>\n<p>Why chip and infrastructure stocks are taking the biggest hit<\/p>\n<p>The companies falling the most are generally positioned closest to the massive AI infrastructure buildout. They supply memory, networking components, optical equipment, semiconductor manufacturing tools, chip designs or data-center computing capacity.<\/p>\n<p>Their valuations depend heavily on several assumptions:<\/p>\n<ul>\n<li>\n<p>AI companies will continue developing larger and more powerful models.<\/p>\n<\/li>\n<li>\n<p>Hyperscalers will maintain aggressive capital-spending plans.<\/p>\n<\/li>\n<li>\n<p>Demand for chips, memory, networking and data-center capacity will remain extremely strong.<\/p>\n<\/li>\n<li>\n<p>Governments will allow development to continue without significant delays or restrictions.<\/p>\n<\/li>\n<\/ul>\n<p>Now, the weekend warnings do not mean that AI spending has suddenly stopped. There has been no confirmed reduction in major capital-expenditure plans, but I would not expect it (or want to be the first). However, they introduce another risk into valuations that already price in years of rapid growth.<\/p>\n<p>For investors, the key question is whether this is simply a sentiment-driven correction after an extended run higher or the beginning of a reassessment of future AI spending. Watch the actual capital-spending plans from Microsoft, Meta, Amazon, Alphabet and the leading AI laboratories.(MSFT is up 2.32%, Meta is up 2.87%, Alphabet is up 3.08%).\u00a0\u00a0If those plans remain intact, buyers may eventually view the decline as an opportunity. If spending is delayed or reduced, today\u2019s selling could represent something more significant.<\/p>\n<p>The market\u2019s message today is that investors are not abandoning technology broadly. They are specifically reducing exposure to the stocks most dependent on the continuation of the AI infrastructure boom.<\/p>\n<p>Looking at the AI bellweather Nvidia, it&#8217;s share price is down but not part of the worst performers. Its shares are down -2.85% on the day but is trading above and below its 100 day MA at $211.36 after toying with all-time highs jon Friday September 4 at $236.54.\u00a0\u00a0<\/p>\n<\/p>\n<p>                            This article was written by Greg Michalowski at investinglive.com.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>AsI and semiconductor stocks are under heavy selling pressure, significantly outpacing the more modest declines in the broader technology market. Nasdaq Composite: -0.35% Nasdaq 100: -0.60% Against those declines, some of the&hellip;<\/p>\n","protected":false},"author":216,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-438052","post","type-post","status-publish","format-standard","hentry","category-market-news"],"_links":{"self":[{"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/posts\/438052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/users\/216"}],"replies":[{"embeddable":true,"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/comments?post=438052"}],"version-history":[{"count":0,"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/posts\/438052\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/media?parent=438052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/categories?post=438052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.swingfish.trade\/blog\/wp-json\/wp\/v2\/tags?post=438052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}