---
title: "Quantum Computing Sector Falls Broadly Intraday, IONQ Down 4.63%, QBTS Down 6.41%, RGTI Down 7.06%, QUBT Down 4.34%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294235951.md"
description: "During intraday trading on Tuesday (July 29), the quantum computing sector declined broadly. IONQ fell 4.63% to $32.31, QBTS dropped 6.41% to $16.51, RGTI slid 7.06% to $13.50, and QUBT decreased 4.34% to $7.39."
datetime: "2026-07-29T16:46:41.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294235951.md)
  - [en](https://longbridge.com/en/news/294235951.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294235951.md)
generator: "portal-rs"
---

# Quantum Computing Sector Falls Broadly Intraday, IONQ Down 4.63%, QBTS Down 6.41%, RGTI Down 7.06%, QUBT Down 4.34%

During intraday trading on Tuesday (July 29), the quantum computing sector faced significant selling pressure, with all major constituents closing lower. As of press time, all four component stocks in the sector fell by more than 4%, indicating a clear shift in market sentiment.

Specifically, **IONQ.US** showed weakness during the session, trading last at **$32.31**, down **4.63%** from the previous close. The stock experienced high intraday volatility, touching a high of $34.00 and a low of $32.00. Trading volume reached 11.96 million shares, suggesting some support at lower levels despite heavy selling pressure. **QBTS.US** saw an even sharper decline, trading at **$16.51**, down **6.41%**. Its intraday low of $16.32 was near the session's bottom, with turnover totaling approximately $166 million. **RGTI.US** led the sector lower, plunging **7.06%** to **$13.50**, hitting a session low of $13.43 on volume of 8.66 million shares. **QUBT.US** also succumbed to the downturn, falling **4.34%** to **$7.39**. The stock saw significant intraday range, ranging from a high of $7.67 to a low of $7.30.

Overall, quantum computing stocks displayed a broad-based decline during the intraday session, with no individual stock managing to buck the trend. Investors should watch whether the sector can stabilize at key support levels and monitor for any new industry catalysts that could reverse the short-term weakness.

### 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)

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- [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 Sector Rallies Intraday, IONQ Up Nearly 7%, QBTS Surges Over 7%](https://longbridge.com/en/news/294376900.md)
- [QUBT Earnings Are Due Today. Here's What Investors Need to See](https://longbridge.com/en/news/295389650.md)
- [Quantum Computing Inc. (QUBT) Revenue Soars in Q2, but Costs Are Rising Fast](https://longbridge.com/en/news/295510962.md)

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