---
title: "Quantum Computing Stocks Fall in Overnight Session; IONQ Down 2%, QBTS Down 2.5%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293576924.md"
description: "During the overnight session on Wednesday (July 22), the quantum computing sector retreated broadly. IONQ fell 2.03% to $34.68, QBTS dropped 2.53% to $17.35, RGTI slipped 0.33% to $15.23, and QUBT declined 3.77% to $7.91."
datetime: "2026-07-23T07:47:09.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293576924.md)
  - [en](https://longbridge.com/en/news/293576924.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293576924.md)
generator: "portal-rs"
---

# Quantum Computing Stocks Fall in Overnight Session; IONQ Down 2%, QBTS Down 2.5%

During the overnight session on Wednesday (July 22), the quantum computing sector saw mixed movements before turning broadly lower, with major names retreating in overnight trading. As of 3:46 AM ET on July 23, all four mainstream stocks in the sector closed lower, reflecting cautious sentiment in the post-market and overnight phases.

Specifically, **IONQ.US** traded at $34.77 in the overnight session, slightly up from its regular market close of $34.68. However, looking at its regular trading session performance, the stock closed at $34.68, down 2.34% from the previous close of $35.51. In overnight trading, it hovered near $34.77, showing a slight rebound from the regular market close but still down 2.03% from the previous close. **QBTS.US** showed weakness, trading at $17.49 in the overnight session, slightly up from the previous close of $17.35, but its regular session close of $17.35 marked a significant 2.53% drop from the previous close of $17.80. Overnight prices narrowed the decline to around 1.97% from the previous close, but the overall trend remains weak.

Among other names, **RGTI.US** traded at $15.16 in the overnight session, down 0.46% from the previous close of $15.23. Its regular session close of $15.23 was a slight 0.33% decline from the previous close of $15.28, showing minimal volatility throughout the day. **QUBT.US** led the declines, trading at $7.89 in the overnight session, down 0.25% from the previous close of $7.91. However, its regular session close of $7.91 marked a sharp 3.77% drop from the previous close of $8.22, making it the largest decliner in the sector. Overall, after a broad sell-off during regular hours, quantum computing stocks saw subdued overnight trading, with investors awaiting further industry catalysts.

### Related Stocks

- [IONQ.US](https://longbridge.com/en/quote/IONQ.US.md)
- [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)

## Related News & Research

- [Rigetti Computing (NASDAQ:RGTI) CFO Jeffrey Bertelsen Sells 3,860 Shares](https://longbridge.com/en/news/296537917.md)
- [IonQ partners with CMC Microsystems to provide cloud quantum computing access in Canada](https://longbridge.com/en/news/296265210.md)
- [D-Wave Quantum Just Got a 240x Boost From AT&T. How to Play QBTS From Here.](https://longbridge.com/en/news/295119837.md)
- [Quantum Computing Inc. Faces Significant Integration and Expansion Risks Amid Arizona Thin-Film Facility Scale-Up](https://longbridge.com/en/news/295619974.md)
- [Quantum Computing Inc. (QUBT) Revenue Soars in Q2, but Costs Are Rising Fast](https://longbridge.com/en/news/295510962.md)

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