---
title: "Why ARQQ Stock Jumped While Quantum Stocks QBTS, IONQ, RGTI, and QUBT Sold Off"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/290036787.md"
description: "Quantum stocks slid on Tuesday after a broad rally a day earlier. However, against that backdrop, Arqit Quantum Inc. (ARQQ) moved sharply higher, making it the clear outlier in a group that often trades in tandem.Claim 55% Off TipRanksExplore QBTX for 2X leverage on QBTS Arqit, a cybersecurity company focused on quantum-safe encryption technology, rose 11.27% to $19.94 on Tuesday after gaining momentum over the previous sessions."
datetime: "2026-06-17T10:10:41.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/290036787.md)
  - [en](https://longbridge.com/en/news/290036787.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/290036787.md)
generator: "portal-rs"
---

# Why ARQQ Stock Jumped While Quantum Stocks QBTS, IONQ, RGTI, and QUBT Sold Off

Quantum stocks slid on Tuesday after a broad rally a day earlier. However, against that backdrop, Arqit Quantum Inc. (ARQQ) moved sharply higher, making it the clear outlier in a group that often trades in tandem.

### Claim 55% Off TipRanks

Explore QBTX for 2X leverage on QBTS

Arqit, a cybersecurity company focused on quantum-safe encryption technology, rose 11.27% to $19.94 on Tuesday after gaining momentum over the previous sessions.

### Related Stocks

- [QBTS.US](https://longbridge.com/en/quote/QBTS.US.md)
- [RGTI.US](https://longbridge.com/en/quote/RGTI.US.md)
- [QUBT.US](https://longbridge.com/en/quote/QUBT.US.md)
- [ARQQ.US](https://longbridge.com/en/quote/ARQQ.US.md)
- [IONQ.US](https://longbridge.com/en/quote/IONQ.US.md)
- [RGTZ.US](https://longbridge.com/en/quote/RGTZ.US.md)
- [IONL.US](https://longbridge.com/en/quote/IONL.US.md)
- [QBTX.US](https://longbridge.com/en/quote/QBTX.US.md)
- [IONZ.US](https://longbridge.com/en/quote/IONZ.US.md)
- [RGTX.US](https://longbridge.com/en/quote/RGTX.US.md)
- [IONX.US](https://longbridge.com/en/quote/IONX.US.md)
- [RGTU.US](https://longbridge.com/en/quote/RGTU.US.md)
- [QUBX.US](https://longbridge.com/en/quote/QUBX.US.md)
- [QBTZ.US](https://longbridge.com/en/quote/QBTZ.US.md)
- [IOYY.US](https://longbridge.com/en/quote/IOYY.US.md)
- [ARQQW.US](https://longbridge.com/en/quote/ARQQW.US.md)
- [QBTS+.US](https://longbridge.com/en/quote/QBTS+.US.md)
- [IONQ+.US](https://longbridge.com/en/quote/IONQ+.US.md)
- [RGTIW.US](https://longbridge.com/en/quote/RGTIW.US.md)

## Related News & Research

- [D-Wave to Showcase Dual-Platform Quantum Strategy at Quantum World Congress 2026](https://longbridge.com/en/news/299040118.md)
- [Quantum Stocks Rally as RGTI, QBTS Secure Up to $200M in U.S. Funding](https://longbridge.com/en/news/298320736.md)
- [IonQ signs $8.18 million quantum-security deal with Congruity360](https://longbridge.com/en/news/298317740.md)
- [IonQ to Present Nine Peer-Reviewed Papers and Take Part in Seven Events at 2026 IEEE Quantum Week | IONQ Stock News](https://longbridge.com/en/news/298926818.md)
- [Quantum Computing Inc signs three-year quantum collaboration deal with Qatar’s HBKU](https://longbridge.com/en/news/298918918.md)

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