---
format: "aidr-story-markdown/v1"
id: "bedef69111a416b13d243de25926f0683c9cb0cc3c26a68bd5aa08f65ad05d85"
canonical_url: "https://aidr.today/bedef691?lang=en"
title: "Hang Seng Tech Index Sinks 40% From Peak in Worst Day Since April 2025"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
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published_at: "2026-10-22T12:25:10.000Z"
category: "Industry"
topics: ["deepseek","regulation"]
source_urls: ["https://marketbrief.now/global-markets/hang-seng-tech-index-sinks-40percent-from-peak-in-worst-day-since-april-79a9d965","https://x.com/DavidInglesTV/status/2113161020936224809","https://x.com/Sino_Market/status/2113103215776649609","https://x.com/MilkRoadAI/status/2113141805583921355","https://huggingnews.com/global-markets/hang-seng-tech-index-sinks-40percent-from-peak-in-worst-day-since-april-79a9d965"]
summary: "The Hang Seng Tech Index fell 4.38% to about 3,834 on Oct. 22, its worst day since April 2025, pushing the index more than 40% below its peak."
---

# Hang Seng Tech Index Sinks 40% From Peak in Worst Day Since April 2025

> [Open the canonical story](<https://aidr.today/bedef691?lang=en>)

**Published:** 2026-10-22T12:25:10.000Z
**Category:** Industry
**Topics:** deepseek, regulation

## Summary

The Hang Seng Tech Index fell 4\.38% to about 3,834 on Oct\. 22, its worst day since April 2025, pushing the index more than 40% below its peak\.

## Sources

- [Story source](<https://marketbrief.now/global-markets/hang-seng-tech-index-sinks-40percent-from-peak-in-worst-day-since-april-79a9d965>)
- [Story source](<https://x.com/DavidInglesTV/status/2113161020936224809>)
- [Supporting source](<https://x.com/Sino_Market/status/2113103215776649609>)
- [Supporting source](<https://x.com/MilkRoadAI/status/2113141805583921355>)
- [Story source](<https://huggingnews.com/global-markets/hang-seng-tech-index-sinks-40percent-from-peak-in-worst-day-since-april-79a9d965>)