{"id":375156,"date":"2026-04-11T23:08:14","date_gmt":"2026-04-11T23:08:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/375156\/"},"modified":"2026-04-11T23:08:14","modified_gmt":"2026-04-11T23:08:14","slug":"ai-stocks-just-did-something-thats-been-witnessed-only-4-times-in-62-years-is-it-finally-time-to-sound-the-alarm","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/375156\/","title":{"rendered":"AI Stocks Just Did Something That&#8217;s Been Witnessed Only 4 Times in 62 Years &#8212; Is It Finally Time to Sound the Alarm?"},"content":{"rendered":"<p>Roughly three decades ago, the mainstream proliferation of the internet changed America forever. After a long wait, the next game-changing technology has arrived: <a href=\"https:\/\/www.fool.com\/investing\/stock-market\/market-sectors\/information-technology\/ai-stocks\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">artificial intelligence (AI)<\/a>.<\/p>\n<p>Empowering software and systems with the tools to make split-second, autonomous decisions is a greater than $15 trillion global opportunity by 2030, according to PwC analysts. The rise of AI is also responsible for sending the Dow Jones Industrial Average (<a href=\"https:\/\/www.fool.com\/quote\/djindices\/^dji\/\" class=\"font-bold hover:underline\" rel=\"nofollow noopener\" target=\"_blank\">^DJI<\/a> 0.56%), S&amp;P 500 (<a href=\"https:\/\/www.fool.com\/quote\/snpindex\/^gspc\/\" class=\"font-bold hover:underline\" rel=\"nofollow noopener\" target=\"_blank\">^GSPC<\/a> 0.11%), and Nasdaq Composite (<a href=\"https:\/\/www.fool.com\/quote\/nasdaqindex\/^ixic\/\" class=\"font-bold hover:underline\" rel=\"nofollow noopener\" target=\"_blank\">^IXIC<\/a> +0.35%) to record highs.<\/p>\n<p>Nvidia (<a href=\"https:\/\/www.fool.com\/quote\/nasdaq\/nvda\/\" class=\"font-bold hover:underline\" rel=\"nofollow noopener\" target=\"_blank\">NVDA<\/a> +2.59%) has been the face of the AI revolution, with its graphics processing units (GPUs) accounting for the lion&#8217;s share of chips deployed in enterprise data centers.<\/p>\n<p>But AI application companies aren&#8217;t slouches, either. Data-mining specialist Palantir Technologies (<a href=\"https:\/\/www.fool.com\/quote\/nasdaq\/pltr\/\" class=\"font-bold hover:underline\" rel=\"nofollow noopener\" target=\"_blank\">PLTR<\/a> 1.87%), which uses AI across both of its core platforms (Gotham and Foundry), has seen its shares skyrocket by more than 2,200% since the start of 2023.<\/p>\n<p><img alt=\"A twenty dollar bill paper airplane that's crashed and crumpled into a financial newspaper.\" loading=\"lazy\" width=\"880\" height=\"587\" decoding=\"async\" data-nimg=\"1\" class=\"h-auto max-w-full rounded object-contain\" style=\"color:transparent\"   src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/1775948893_929_.jpeg\"\/><\/p>\n<p class=\"caption\">Image source: Getty Images.<\/p>\n<p>Although no trend offers a more sizable addressable opportunity than AI, <a href=\"https:\/\/www.fool.com\/investing\/2026\/04\/08\/prediction-ai-bubble-is-readying-to-pop-4-factors\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">this game-changing innovation isn&#8217;t without its risks<\/a>. Based on what history has to say, the latest milestone for AI stocks should have Wall Street sounding the alarm.<\/p>\n<p>AI concentration risk has hit its crescendo<\/p>\n<p>On the one hand, the long-term future for AI hardware and applications appears bright. Businesses are aggressively spending on AI infrastructure and expect generative AI solutions and\/or large language models to make various aspects of their operations more efficient over time.<\/p>\n<p>On the other hand, investors have a <a href=\"https:\/\/www.fool.com\/investing\/2025\/12\/04\/prediction-ai-bubble-will-burst-in-2026-heres-why\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">terrible habit of overestimating the adoption and\/or optimization of new technologies<\/a>. While Nvidia&#8217;s parabolic sales growth makes it clear that AI adoption isn&#8217;t a concern, we&#8217;re likely years away from businesses optimizing AI solutions to boost sales and profits. In other words, we have a disconnect between AI stock valuations and near-term optimization\/utility.<\/p>\n<p>AI Bubble hits same concentration level that resulted in the bursting of previous bubbles, including the Dot Com \ud83d\udea8\ud83d\udea8\ud83d\udea8 <a href=\"https:\/\/t.co\/Dlhof894h6\" class=\"text-cyan-900 hover:text-cyan-800\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">pic.twitter.com\/Dlhof894h6<\/a><\/p>\n<p>&#8212; Barchart (@Barchart) <a href=\"https:\/\/twitter.com\/Barchart\/status\/2040774825183187006?ref_src=twsrc%5Etfw\" class=\"text-cyan-900 hover:text-cyan-800\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">April 5, 2026<\/a><\/p>\n<p>According to an analysis from Bank of America Global Research, Bloomberg, and Global Financial Data, there have been four concentration bubbles between the U.S. and Japanese stock markets since 1964:<\/p>\n<p>In the early 1970s, the &#8220;Nifty Fifty&#8221; (a group of roughly 50 time-tested companies traded on the New York Stock Exchange) hit a 40% concentration within the S&amp;P 500.<br \/>\nIn the latter half of the 1980s, a relatively small percentage of Japanese stocks accounted for 44% of the MSCI ACWI.<br \/>\nIn the early 2000s, tech and telecom stocks peaked at a 41% concentration of the benchmark S&amp;P 500.<br \/>\nIn 2026, the 10-largest AI stocks reached a 41% concentration of the S&amp;P 500.<\/p>\n<p>All four events share a common trait, beyond a 40% (or greater) concentration in their respective index: aggressive valuations. Several established Nifty Fifty stocks were sporting <a href=\"https:\/\/www.fool.com\/terms\/p\/pe-ratio\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">price-to-earnings (P\/E) ratios<\/a> of 50 to 100 in the early 1970s, which more than doubled the average P\/E of the iconic S&amp;P 500.<\/p>\n<p>S&amp;P 500 Shiller PE Ratio hits 2nd highest level in history \ud83d\udea8 The highest was the Dot Com Bubble \ud83e\udd2f <a href=\"https:\/\/t.co\/Lx634H7xKa\" class=\"text-cyan-900 hover:text-cyan-800\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">pic.twitter.com\/Lx634H7xKa<\/a><\/p>\n<p>&#8212; Barchart (@Barchart) <a href=\"https:\/\/twitter.com\/Barchart\/status\/2005096701250732174?ref_src=twsrc%5Etfw\" class=\"text-cyan-900 hover:text-cyan-800\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">December 28, 2025<\/a><\/p>\n<p>Meanwhile, stock valuations were, arguably, even more egregious in the lead-up to the dot-com bubble bursting. The <a href=\"https:\/\/www.fool.com\/investing\/2026\/01\/10\/stock-market-3-times-155-years-history-what-next\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">S&amp;P 500&#8217;s Shiller P\/E Ratio hit its all-time high of 44.19 in December 1999<\/a>, mere months before the S&amp;P 500 and Nasdaq Composite would begin their respective peak-to-trough descents of 49% and 78%.<\/p>\n<p>AI stocks are also historically pricey, with <a href=\"https:\/\/www.fool.com\/investing\/2025\/12\/11\/nvidia-palantir-126-billion-warning-to-wall-street\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">Palantir&#8217;s price-to-sales (P\/S) ratio topping 100<\/a> earlier this year, and Nvidia&#8217;s P\/S ratio exceeding 30 as recently as November.<\/p>\n<p>All three previous historical concentration peaks above 40% were soon followed by bubble-bursting events. If history rhymes, once more, the <a href=\"https:\/\/www.fool.com\/investing\/2023\/11\/14\/sp-500-is-more-concentrated-bad-news-wall-street\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">AI revolution is running on borrowed time<\/a>.<\/p>\n<p><img alt=\"Two engineers checking wires and switches on an enterprise data center server tower.\" loading=\"lazy\" width=\"880\" height=\"587\" decoding=\"async\" data-nimg=\"1\" class=\"h-auto max-w-full rounded object-contain\" style=\"color:transparent\"   src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/1775948894_491_.jpeg\"\/><\/p>\n<p class=\"caption\">Image source: Getty Images.<\/p>\n<p>Scarcity is both a catalyst and a crutch for AI companies<\/p>\n<p>In addition to next-big-thing technologies needing time to mature and AI stock valuations being unsightly, competitive dynamics in the AI space threaten to remove a foundational catalyst: scarcity.<\/p>\n<p>Make no mistake, companies with superior hardware and AI applications have been rewarded. Nvidia&#8217;s compute superiority in data centers and the lack of large-scale competition for Palantir&#8217;s <a href=\"https:\/\/www.fool.com\/investing\/stock-market\/market-sectors\/information-technology\/saas-stocks\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">software-as-a-service platforms<\/a> have allowed these pillars of the AI revolution to thrive.<\/p>\n<p>But a strong argument can be made that AI hardware demand swamping supply has been the biggest spark for AI stocks. When demand for a good or service outstrips its supply, its price rises until demand tapers off. Nvidia has been able to command significant pricing power for its GPUs thanks to ongoing GPU scarcity.<\/p>\n<p><img alt=\"Nvidia Stock Quote\" loading=\"lazy\" width=\"64\" height=\"64\" decoding=\"async\" data-nimg=\"1\" class=\"w-full flex-none object-contain\" style=\"color:transparent\"  src=\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/1775948894_676_.png\"\/><\/p>\n<p>Today&#8217;s Change<\/p>\n<p>(2.59%) $4.76<\/p>\n<p>Current Price<\/p>\n<p>$188.67<\/p>\n<p>Key Data Points<\/p>\n<p>Market Cap<\/p>\n<p>$4.6T<\/p>\n<p>Day&#8217;s Range<\/p>\n<p>$184.32 &#8211; $190.00<\/p>\n<p>52wk Range<\/p>\n<p>$95.04 &#8211; $212.19<\/p>\n<p>Volume<\/p>\n<p>5.9M<\/p>\n<p>Avg Vol<\/p>\n<p>179M<\/p>\n<p>Gross Margin<\/p>\n<p>71.07%<\/p>\n<p>Dividend Yield<\/p>\n<p>0.02%<\/p>\n<p>However, increasing competition from all angles can alter this dynamic. While most of Wall Street is focused on external rivals (e.g., Advanced Micro Devices), the <a href=\"https:\/\/www.fool.com\/investing\/2026\/02\/03\/nvidia-big-risk-isnt-broadcom-amd-more-near-dear\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">biggest threat to the face of the AI revolution, Nvidia, comes from within<\/a>.<\/p>\n<p>For more than a year, several of Nvidia&#8217;s top customers by net sales have been internally developing GPUs for use in their data centers. Although these GPUs don&#8217;t pack the same punch as Nvidia&#8217;s AI hardware, they&#8217;re considerably cheaper and not backlogged.<\/p>\n<p>Between hyperscalers utilizing their own AI chips and external rivals ramping up production, the <a href=\"https:\/\/www.fool.com\/investing\/2026\/04\/02\/prediction-nvidia-unthinkable-100-before-end-2026\/\" class=\"text-cyan-900 hover:text-cyan-800\" rel=\"nofollow noopener\" target=\"_blank\">GPU scarcity that&#8217;s fueled strong pricing power and sky-high gross margins<\/a> should fade. This could represent the fatal blow for a historically AI-stock-concentrated S&amp;P 500.<\/p>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"Roughly three decades ago, the mainstream proliferation of the internet changed America forever. After a long wait, the&hellip;\n","protected":false},"author":2,"featured_media":375157,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[365,363,364,111,139,69,145],"class_list":{"0":"post-375156","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-artificial-intelligence","8":"tag-ai","9":"tag-artificial-intelligence","10":"tag-artificialintelligence","11":"tag-new-zealand","12":"tag-newzealand","13":"tag-nz","14":"tag-technology"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/375156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=375156"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/375156\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/375157"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=375156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=375156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=375156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}