---
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/243512420.md"
description: "Rare earth concept stocks performed poorly, NioCorp Developments (NB) fell more than 5.5%, Energy Fuels (UUUU) dropped over 3.4% and hit a new daily low, American Rare Earths Limited (ARRNF) narrowed its decline to less than 3.4%, and MP Materials (MP) fell again by more than 1.6%"
datetime: "2025-06-06T15:22:25.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/243512420.md)
  - [en](https://longbridge.com/en/news/243512420.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/243512420.md)
generator: "portal-rs"
---

# 

Rare earth concept stock NioCorp Developments (NB) maintained a decline of over 5.5%, Energy Fuels (UUUU) fell more than 3.4% to refresh the daily low, American Rare Earths Limited (ARRNF) narrowed its decline to less than 3.4%, and MP Materials (MP) fell again by over 1.6%

### Related Stocks

- [MP.US](https://longbridge.com/en/quote/MP.US.md)
- [UUUU.US](https://longbridge.com/en/quote/UUUU.US.md)
- [NB.US](https://longbridge.com/en/quote/NB.US.md)

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**