https://www.live-feeds.com/feed/chip-stocks-tumble-on-a-i-spending-fears-and-rising-chinese-competitionContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/chip-stocks-tumble-on-a-i-spending-fears-and-rising-chinese-competitionhttps://www.live-feeds.com/feed/chip-stocks-tumble-on-a-i-spending-fears-and-rising-chinese-competition#u136541Mon, 19 Oct 2026 16:42:46 +0000Semiconductor shares are plunging globally as investors worry about AI spending and rising competition from China. South Korea's Kospi index dropped more than 7%, with some reports indicating a fall of as much as 8% that triggered a midday circuit breaker. In the US, the Philadelphia chips index fell 1.5% on Tuesday, marking its fifth consecutive session of losses and its lowest level in four weeks. Memory-chip stocks including SK Hynix and Micron have seen significant declines, prompting investors to shift capital into government bonds and other sectors for safety.Why it mattersThe secto