---
title: "12 Materials Stocks Moving In Monday's Pre-Market Session"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/303082828.md"
description: "In Monday's pre-market session, materials stocks showed mixed performance. Gainers included Tactical Resources (+6.6%), Guardian Metal Resources (+6.08%), and ASP Isotopes (+5.91%). Conversely, Braskem led losers with a sharp 33.5% drop, followed by Apex Critical Metals (-18.06%) and Companhia Siderurgica (-16.95%). Other decliners included Gerdau, Brazil Potash, and Black Mammoth Metals."
datetime: "2026-10-26T12:05:42.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/303082828.md)
  - [en](https://longbridge.com/en/news/303082828.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/303082828.md)
generator: "portal-rs"
---

# 12 Materials Stocks Moving In Monday's Pre-Market Session

### Gainers

-   **Tactical Resources** (NASDAQ:TREO) shares rose 6.6% to $1.61 during Monday's pre-market session. The company's market cap stands at $22.3 million.
-   **Guardian Metal Resources** (AMEX:GMTL) stock increased by 6.08% to $5.58. The market value of their outstanding shares is at $190.8 million.
-   **ASP Isotopes** (NASDAQ:ASPI) shares moved upwards by 5.91% to $2.06. The company's market cap stands at $320.4 million.
-   **Solitario Resources** (AMEX:XPL) stock increased by 5.38% to $0.52. The company's market cap stands at $44.5 million.
-   **Electra Battery Materials** (NASDAQ:ELBM) shares rose 5.32% to $0.47. The market value of their outstanding shares is at $42.4 million.
-   **5E Advanced Materials** (NASDAQ:FEAM) stock increased by 5.22% to $2.41. The market value of their outstanding shares is at $96.2 million.

### Losers

-   **Braskem** (NYSE:BAK) stock decreased by 33.5% to $1.13 during Monday's pre-market session. The market value of their outstanding shares is at $637.5 million.
-   **Apex Critical Metals** (NASDAQ:APXC) shares declined by 18.06% to $5.41.
-   **Companhia Siderurgica** (NYSE:SID) shares decreased by 16.95% to $0.98. The company's market cap stands at $1.4 billion.
-   **Gerdau** (NYSE:GGB) stock fell 9.81% to $4.6. The company's market cap stands at $9.9 billion. The company's, Q3 earnings came out today.
-   **Brazil Potash** (AMEX:GRO) shares fell 8.49% to $1.63. The market value of their outstanding shares is at $110.2 million.
-   **Black Mammoth Metals** (NASDAQ:BMMX) shares fell 7.46% to $2.73. The market value of their outstanding shares is at $139.1 million. **See Also:** www.benzinga.com/money/best-basic-materials-stocks/

This article was generated by Benzinga's automated content engine and reviewed by an editor.

### Related Stocks

- [ASPI.US](https://longbridge.com/en/quote/ASPI.US.md)
- [BAK.US](https://longbridge.com/en/quote/BAK.US.md)
- [GGB.US](https://longbridge.com/en/quote/GGB.US.md)
- [GMTL.US](https://longbridge.com/en/quote/GMTL.US.md)
- [GMTL*.US](https://longbridge.com/en/quote/GMTL*.US.md)
- [GRO.US](https://longbridge.com/en/quote/GRO.US.md)
- [SID.US](https://longbridge.com/en/quote/SID.US.md)
- [TREO.US](https://longbridge.com/en/quote/TREO.US.md)
- [ELBM.US](https://longbridge.com/en/quote/ELBM.US.md)
- [FEAM.US](https://longbridge.com/en/quote/FEAM.US.md)
- [XPL.US](https://longbridge.com/en/quote/XPL.US.md)

## Related News & Research

- [Carlos Slim Helu Discloses 6.5% Stake in BRASKEM SA](https://longbridge.com/en/news/304703397.md)
- [Gerdau majority shareholders increase holdings by R$ 19.99 million](https://longbridge.com/en/news/305067542.md)
- [Braskem Extends Deadline for Preliminary Restructuring Agreement to Nov. 12](https://longbridge.com/en/news/305089566.md)
- [Braskem majority shareholder decreases position by R$ 536,554](https://longbridge.com/en/news/305088623.md)
- [What Makes Heavy Rare Earths A Critical Element For America?](https://longbridge.com/en/news/305144704.md)

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