---
title: "Quantum Stocks Retreat in Premarket after D-Wave and Rigetti Deals Spark Broad Rally"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294041723.md"
description: "Quantum computing stocks retreated in Tuesday's premarket, reversing part of Monday's gains driven by recent deals. D-Wave (QBTS) fell 1.70% after a 20.3% surge on AT&T expansion news. Rigetti Computing (RGTI) dropped 1.73% following a 10.53% rise linked to an HPE collaboration. The pullback affects major pure-play names in the sector."
datetime: "2026-07-28T09:21:39.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294041723.md)
  - [en](https://longbridge.com/en/news/294041723.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294041723.md)
generator: "portal-rs"
---

# Quantum Stocks Retreat in Premarket after D-Wave and Rigetti Deals Spark Broad Rally

Quantum computing stocks are giving back part of Monday's sharp gains in premarket trading Tuesday, after deals involving D-Wave Quantum Inc. (QBTS) and Rigetti Computing Inc. (RGTI) helped lift nearly every major pure-play name in the sector.

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D-Wave, which builds quantum systems focused on solving optimization problems, jumped 20.3% on Monday after AT&T Inc. (T) agreed to expand its use of the company's technology across its network operations. The stock was down about 1.70% in Tuesday's premarket session.

At the same time, Rigetti, a developer of superconducting quantum computers, climbed 10.53% after announcing an expanded collaboration with Hewlett Packard Enterprise (HPE) and the Pittsburgh Supercomputing Center. Rigetti will supply a nine-qubit Novera system for TangleLab, a hybrid quantum and classical computing testbed backed by a $5 million National Science Foundation grant.

RGTI stock was down 1.73% before Tuesday's opening bell.

### Related Stocks

- [QBTS.US](https://longbridge.com/en/quote/QBTS.US.md)
- [RGTI.US](https://longbridge.com/en/quote/RGTI.US.md)
- [QBTZ.US](https://longbridge.com/en/quote/QBTZ.US.md)
- [RGTX.US](https://longbridge.com/en/quote/RGTX.US.md)
- [RGTU.US](https://longbridge.com/en/quote/RGTU.US.md)
- [RGTZ.US](https://longbridge.com/en/quote/RGTZ.US.md)
- [QBTX.US](https://longbridge.com/en/quote/QBTX.US.md)
- [T.US](https://longbridge.com/en/quote/T.US.md)
- [HPE.US](https://longbridge.com/en/quote/HPE.US.md)
- [QBTS+.US](https://longbridge.com/en/quote/QBTS+.US.md)
- [RGTIW.US](https://longbridge.com/en/quote/RGTIW.US.md)
- [T-A.US](https://longbridge.com/en/quote/T-A.US.md)
- [TBB.US](https://longbridge.com/en/quote/TBB.US.md)
- [T-C.US](https://longbridge.com/en/quote/T-C.US.md)
- [HPE-C.US](https://longbridge.com/en/quote/HPE-C.US.md)

## Related News & Research

- [Five-Star Analyst Is Bullish on D-Wave (QBTS) Stock, Sets $30 Target as Quantum Backlog Grows](https://longbridge.com/en/news/294054616.md)
- [Rigetti Computing (NASDAQ:RGTI) CFO Jeffrey Bertelsen Sells 3,860 Shares](https://longbridge.com/en/news/296537917.md)
- [AT&T (T) Has Fresh Attention, But What Is The Market Looking At?](https://longbridge.com/en/news/297288445.md)
- [76,035 Shares in Hewlett Packard Enterprise Company $HPE Bought by Allworth Financial LP](https://longbridge.com/en/news/296674883.md)
- [Northwestern Mutual Wealth Management Co. Makes New Investment in Hewlett Packard Enterprise Company $HPE](https://longbridge.com/en/news/296888379.md)

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