---
title: "Quantum Computing Sector Rises in Post-Market: IONQ Up Nearly 8%, RGTI and QBTS Up Nearly 9%, QUBT Up Nearly 7%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294395078.md"
description: "During the post-market session on July 30, the quantum computing sector rallied broadly. IONQ, RGTI, QBTS, and QUBT all posted significant gains, with RGTI leading the pack up nearly 9%. Trading activity was robust, reflecting strong bullish sentiment."
datetime: "2026-07-30T16:46:11.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294395078.md)
  - [en](https://longbridge.com/en/news/294395078.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294395078.md)
generator: "portal-rs"
---

# Quantum Computing Sector Rises in Post-Market: IONQ Up Nearly 8%, RGTI and QBTS Up Nearly 9%, QUBT Up Nearly 7%

During the post-market session on July 30, the US quantum computing sector demonstrated a broad upward trend. As of press time, mainstream stocks in the sector were all in positive territory. **RGTI.US** showed the strongest performance, quoting at $13.339 in post-market trading, up approximately 8.99% from the previous close. **QBTS.US** followed closely at $16.450, gaining 8.96%, while **IONQ.US** rose 7.85% to $32.290. **QUBT.US** also advanced, up 6.85% to $7.380.

Looking at the full regular session, the sector had already shown significant strength. In regular market trading, **RGTI.US** surged as high as $14.555 before closing at $14.460, marking a substantial 9.38% gain on heavy volume of 13.5 million shares, indicating high market attention. **QBTS.US** closed the regular session at $17.600, up 8.78%, while **IONQ.US** settled at $34.603, gaining 8.17%. **QUBT.US** finished the regular session at $7.820, a 7.12% increase. This strong momentum carried over into the post-market session, with continued buying pressure pushing prices higher.

Analysts note that quantum computing concepts have recently attracted sustained capital interest, bolstered by expectations of technological breakthroughs and frequent industry collaboration news, which have boosted investor confidence. Today, all four mainstream stocks in the sector moved in sync during both regular and post-market hours, with gains approaching or exceeding 7%, demonstrating highly consistent bullish sentiment within the sector. Although liquidity typically decreases in post-market trading, the price center continued to shift steadily upward, suggesting that sector enthusiasm is likely to persist into tomorrow's open.

### 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 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)

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