Seagate, Kulicke and Soffa, and Lam Research Shares Plummet, What You Need To Know

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Seagate, Kulicke and Soffa, and Lam Research Shares Plummet, What You Need To Know Jabin Bastian Thu, July 2, 2026 at 10:20 PM EDT 4 min read META STX LRCX KLIC What Happened? A number of stocks fell in the afternoon session after the semiconductor sector pulled back amid fears that AI-driven chip demand may be cooling. The broader Philadelphia Semiconductor Index plunged over 7%, dragging down chipmakers. The negative sentiment was amplified by a warning from a Citi analyst who questioned whether large cloud platforms would continue their high rate of spending on AI infrastructure if they could not show investors the cost was generating returns. Additionally, reports of Meta's plan to sell access to its AI computing power sparked fears of future overcapacity in the industry.For two years the sector traded on an assumption of an insatiable GPU and memory shortage. If Meta, which guided to as much as $145 billion of capex for the year, has enough spare capacity to lease it out, the market reads that as a signal hyperscalers may have over-built, meaning future orders for GPUs, HBM and NAND could shrink.A secondary catalyst pressured the Koreans specifically: reports that Apple was in talks to source chips from two Chinese suppliers, raising competitive and pricing fears. Underlying all of it is profit-taking. The stock market overreacts to news, and big price drops can present good opportunities to buy high-quality stocks. Among others, the following stocks were impacted: Memory Semiconductors company Seagate(NASDAQ:STX) fell 11.3%.Is now the time to buy Seagate? Access our full analysis report here, it's free. Semiconductor Manufacturing company Kulicke and Soffa(NASDAQ:KLIC) fell 12%.Is now the time to buy Kulicke and Soffa? Access our full analysis report here, it's free. Semiconductor Manufacturing company Lam Research(NASDAQ:LRCX) fell 12.1%.Is now the time to buy Lam Research? Access our full analysis report here, it's free. Lam Research's shares are extremely volatile and have had 34 moves greater than 5% over the last year. But moves this big are rare even for Lam Research and indicate this news significantly impacted the market's perception of the business. The previous big move we wrote about was 9 days ago when the stock dropped 9.8% on the news that a report that South Korea's SK Hynix is slowing its high-bandwidth memory (HBM) expansion rattled the AI-chip complex. The headline sounds bearish for AI, but the underlying report is a margin story, not a demand story. SK Hynix is deliberately slowing its HBM4 ramp to redirect capacity into conventional DRAM, where shortages have pushed operating margins above HBM's. Korean analysts pegged the margin gap at more than 15 points. HBM is the memory bolted onto Nvidia's AI accelerators, so any "slowing HBM" signal instinctively sparks fears the AI build-out is cooling which is why the reflex was to sell. The more accurate read is that all three memory makers are running the market tight (Samsung flagged a 146% DRAM ASP jump in Q1, SK Hynix mid-60%), keeping pricing power with sellers. The bigger driver appeared like profit-taking after a parabolic run. Micron rose ~300% since the start of the year, colliding with a hawkish rate shift: traders pricing 50bps of Fed hikes by December under new Chair Kevin Warsh, making debt-funded AI capex harder to justify at record valuations. The divergence confirmed it: memory names took the brunt (Micron −11%) while logic-heavy Nvidia fell only ~3.6%. Wedbush framed the drop as a buying opportunity with enterprise demand intact. Lam Research is up 87.6% since the beginning of the year, and at $347.30 per share, it is trading close to its 52-week high of $362.52 from June 2026. Investors who bought $1,000 worth of Lam Research's shares 5 years ago would now be looking at an investment worth $5,499. ONE MORE THING: 3 Hidden Platforms Growing 3X Faster than Amazon, Google, and PayPal. Amazon, Google, and Meta all followed the same playbook: Dominate an ignored market. Build an unbeatable moat. Scale until you're unstoppable. These three platforms are running that exact playbook right now. The early investors in Amazon made fortunes. The early investors in these could do the same. Get All 3 Stocks Here for FREE .

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