Korean Chip Stocks Sink on Chinese Rival Worry, Broadcom Remarks — Live Feedhttps://www.live-feeds.com/feed/korean-chip-stocks-sink-on-chinese-rival-worry-broadcom-remarksContinuously updated, source-cited coverage. South Korean Chip Stocks Plunge as AI Boom Cools and Chinese Rivalry Riseshttps://www.live-feeds.com/feed/korean-chip-stocks-sink-on-chinese-rival-worry-broadcom-remarkshttps://www.live-feeds.com/feed/korean-chip-stocks-sink-on-chinese-rival-worry-broadcom-remarks#u134086Mon, 19 Oct 2026 01:46:32 +0000South Korean semiconductor shares, led by Samsung Electronics and SK Hynix, have plummeted as the artificial intelligence stock rally loses momentum. The Kospi index fell more than 7%, breaking the 6,000 mark, while foreign investors exited the market. This downturn follows warnings from Broadcom regarding AI infrastructure funding durability and claims of strong progress from Chinese competitor CXMT. The sell-off has expanded to include other global chipmakers like Micron, AMD, and Intel amid broader fears of oversupply and reduced AI investment.Why it mattersSouth Korea's economy is hea