---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/41474950.md"
description: "Unusual Machines dropped -14%, Yifei Technology also fell nine points, the batch of drones and industrial robots got hit hard today; Swarmer and Hesai Technology followed lower, with significant declines, and Ubtech dropped slightly 😪Humanoid robots, drones, and autonomous driving perception are all lumped together, all high-beta thematic stocks. When the broader market weakens, they get concentrated selling pressure. This kind of sector, lacking solid order support, rises on imagination and falls without fundamental backing."
datetime: "2026-06-04T10:49:09.000Z"
locales:
  - [en](https://longbridge.com/en/topics/41474950.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/41474950.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/41474950.md)
author: "[碳水快乐制造者](https://longbridge.com/en/profiles/26763301.md)"
---

# Unusual Machines dropped -14%, Yifei Technology al…


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