# Micron, SoftBank and ASML slide as Wall Street chip rout spreads

> **Open Intelligence Dossier** · First detected: 2026-10-13 08:40 UTC · Category: Business

## Executive Summary
Seoul and Tokyo stocks plunge as a fresh technology rout spreads across Asian markets.

## Intelligence Brief
Recent financial reporting from Yahoo Finance details a significant downturn in Asian equity markets, specifically noting that Seoul and Tokyo stocks experienced steep plunges. The coverage highlights the immediate vulnerability of technology shares in these specific territories as trading sessions unfold. Financial analysts and investors are closely monitoring the trajectory of these regional losses as the downward pressure affects broader indexes in South Korea and Japan. Yahoo Finance emphasizes the regional scope of the downturn, framing the Seoul and Tokyo declines within the context of a fresh technology rout impacting Asia.


The reporting points to widespread losses across technology-focused equities without detailing specific corporate earnings reports or regulatory catalysts at this stage. Coverage does not yet specify the exact percentage drops for individual stocks or indexes, focusing instead on the overarching downward trend affecting regional tech shares during the trading period. The coverage does not elaborate on prior trading sessions or historical comparative metrics for these specific regional plunges. Future developments will depend on how subsequent trading sessions respond to the ongoing tech rout in Asia and whether stabilization measures emerge from local exchanges or financial authorities.


Coverage does not yet specify upcoming policy announcements, central bank interventions, or scheduled economic data releases that might influence the trajectory of Seoul and Tokyo stocks. Observers must rely on continuing updates from financial news providers to track whether the regional sell-off deepens or reverses in the days ahead.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Bloomberg.com | AI Selloff Drags Emerging Stocks Down, Weighs on Currency Gauge | [Source Link](https://news.google.com/rss/articles/CBMiswFBVV95cUxPMUFBeEdaeUh0TmM1YlByWDZRaGVhWUR3YXdWWWNmOGNrNVkwTHE3MlRzdkRsLU1SZkJHeUdlcll0Y2JCOVZLRHZIVEdlUE9iZ0p0aDJSMEJidkdURkNfSVpqMFA1bUJ2ZkJzenRocmtnLUJ0YmlXc0dLZ0dHLXdnS010V2Z2cmdMNHJSeFVMOURMaVZmc0x1Sl9jQ0Q4RnNSMDdlZFVWUWliZGtkR04tdkpmOA?oc=5) |
| Reuters | 'Brutal session' for chip stocks shows AI trade is turning | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxPM1RJWWJHTmtIMnhaYWVyeFFpYV8wZndZMUFOVXM2NkpJdUNfRGlyQzdHeVcwMXkxcXkyWFFZQ3hXS3RpM0NqZUtNcmxNd3NkSGZETmlvTjRRYjJ3X3BXa0FEamh0NDExSTZieGRHam9BdFBiZXdOcTBSUXRPNlFEeTVKOEtkN3JiV25QUEsyekp0OTJRaU5nVA?oc=5) |
| Yahoo Finance | Global chip selloff deepens as AI worries, China competition weigh | [Source Link](https://news.google.com/rss/articles/CBMilgFBVV95cUxNZ1JfdGVTR1BzczVCYUFfY0RBUEhHYWFGQ0tERjNpSW9vRXNoQVdxZ2xBU2tRaWxVem1NeGNnTENReWlEVGM3LVR5YU5sQWRrRklmQ2k4Q29HQWozaFNneVVqVTFObGI4R1RFd3RiMW1HYnBMdDRfeUdNY2VzbEpaOFRuMWF6NlMwbllPejVXM25CQnRSTFE?oc=5) |
| Yahoo Finance | Seoul, Tokyo stocks plunge as Asia suffers fresh tech rout | [Source Link](https://news.google.com/rss/articles/CBMipAFBVV95cUxPZlg2cVNQUkpyVFU1QThtcFQwVlJERnhaZV9HZ0d5Rnd4ZWdPcU45X2Y0cGFBTS1BYW9jSWxGbFhPYzczVjhvbk9BMmNJZi05ZVBLZVk2dHlNOGlQSmw2Ui1Gd0NGWWhNVkFlNGZsT3Y5WGVWdkNZUEh1b3IzblpVamV2OHFMR1puMkxPdnRSTFlyQzUyTkJlTTFhTFB3VlE4X0lOLQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-10-13/micron-softbank-and-asml-slide-as-wall-street-chip-rout-spreads*