{"id":63646,"date":"2026-06-23T23:38:14","date_gmt":"2026-06-24T03:38:14","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/tech-sell-off-rattles-asian-markets-as-ase-expands-u-s-footprint\/63646\/"},"modified":"2026-06-23T23:38:14","modified_gmt":"2026-06-24T03:38:14","slug":"tech-sell-off-rattles-asian-markets-as-ase-expands-u-s-footprint","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/tech-sell-off-rattles-asian-markets-as-ase-expands-u-s-footprint\/63646\/","title":{"rendered":"Tech Sell-Off Rattles Asian Markets as ASE Expands U.S. Footprint"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong>South Korea\u2019s KOSPI plunged nearly 10%<\/strong> in a historic single-day crash, triggered by a massive sell-off in semiconductor giants Samsung Electronics and SK Hynix.<\/li>\n<li><strong>ASE Technology (<a href=\"\/stock\/ASX\">ASX<\/a>) is aggressively expanding in the U.S.<\/strong>, operating two testing factories in California with plans for two more, alongside evaluating a major investment in Arizona.<\/li>\n<li><strong>Nvidia (<a href=\"\/stock\/NVDA\">NVDA<\/a>) and AMD (<a href=\"\/stock\/AMD\">AMD<\/a>) are driving a massive investment wave in Taiwan<\/strong>, with AMD committing over <strong>$10 billion<\/strong> to scale advanced packaging and AI infrastructure.<\/li>\n<li><strong>U.S. Defense Secretary Pete Hegseth is overhauling military leadership<\/strong>, reportedly forcing out the top U.S. Army officer in Europe as part of a broader &quot;NATO 3.0&quot; strategic shift.<\/li>\n<li><strong>Ukrainian drones struck an industrial facility in Russia\u2019s Orenburg region<\/strong>, traveling over <strong>1,250 km<\/strong> to hit targets vital to the Russian military-industrial base.<\/li>\n<\/ul>\n<h2>Global Tech Rout Hits Seoul<\/h2>\n<p>The South Korean <strong>KOSPI<\/strong> index experienced a dramatic reversal on Wednesday, turning lower to close down <strong>0.1%<\/strong> after a much more severe <strong>10% plunge<\/strong> in the previous session. The volatility was fueled by massive foreign selling in heavyweight chipmakers Samsung Electronics and SK Hynix, which fell more than <strong>12%<\/strong> amid concerns over frothy AI valuations and regulatory pressure on leveraged financial products.<\/p>\n<p><em>Analysts suggest the sell-off reflects a shift from narrative-driven AI gains to a demand for concrete revenue results.<\/em> While the broader market wavered, some investors viewed the dip as a &quot;compelling entry window&quot; ahead of critical earnings reports from memory leaders like Micron Technology (<a href=\"\/stock\/MU\">MU<\/a>).<\/p>\n<h2>ASE Technology Scales U.S. Operations<\/h2>\n<p>ASE Technology (<a href=\"\/stock\/ASX\">ASX<\/a>), the world\u2019s largest semiconductor packaging and testing provider, confirmed a significant expansion of its American footprint. The company currently operates <strong>two testing facilities in California<\/strong> through its subsidiary, ISE Labs, and is actively planning for <strong>two additional factories<\/strong> to meet the surging needs of U.S.-based AI customers.<\/p>\n<p>Beyond California, ASE is evaluating a potential investment in <strong>Arizona<\/strong>, a state that has become a hub for domestic chip production following the <strong>CHIPS and Science Act<\/strong>. This move is largely driven by the requirement for localized supply chains for major clients like Nvidia (<a href=\"\/stock\/NVDA\">NVDA<\/a>) and AMD (<a href=\"\/stock\/AMD\">AMD<\/a>), who are increasingly prioritizing geographic diversification.<\/p>\n<h2>AI Giants Anchor in Taiwan<\/h2>\n<p>Despite the push for global diversification, Taiwan remains the &quot;epicenter&quot; of the AI revolution. AMD (<a href=\"\/stock\/AMD\">AMD<\/a>) recently announced a <strong>$10 billion investment<\/strong> in the Taiwan ecosystem to expand strategic partnerships and scale advanced packaging for its next-generation AI infrastructure.<\/p>\n<p>Nvidia (<a href=\"\/stock\/NVDA\">NVDA<\/a>) CEO Jensen Huang has echoed this commitment, suggesting potential annual investments in Taiwan could reach <strong>$150 billion<\/strong>. These investments are putting immense pressure on advanced packaging capacity, particularly for technologies like <strong>CoWoS<\/strong> (Chip on Wafer on Substrate), which are essential for high-performance AI accelerators.<\/p>\n<h2>Geopolitical Tensions and Military Reshuffling<\/h2>\n<p>In the defense sector, U.S. Defense Secretary <strong>Pete Hegseth<\/strong> has reportedly forced out the top U.S. Army officer in Europe. This move comes as the Pentagon initiates a six-month review of American forces on the continent, signaling a &quot;NATO 3.0&quot; era where European allies are expected to take primary responsibility for their own conventional defense.<\/p>\n<p>Simultaneously, the conflict in Eastern Europe reached new geographic depths as <strong>Ukrainian long-range drones<\/strong> targeted an industrial facility in Russia\u2019s <strong>Orenburg region<\/strong>. The strike, which damaged infrastructure over <strong>1,250 km<\/strong> from the border, underscores the increasing vulnerability of Russian industrial sites to sophisticated unmanned aerial attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways South Korea\u2019s KOSPI plunged nearly 10% in a historic single-day crash, triggered by a massive sell-off in semiconductor 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