# Horizon Quantum (HQ) — News

HQ · NASDAQ · Stock

Canonical page: https://www.lighthorse.io/tickers/hq/news

## Recent headlines

- [Quantum Technology stocks fell in regular trading, with IonQ down 1.2%, ARQQ falling 1.8% and HPQ sliding 1.4%.](https://www.ainvest.com/news/quantum-technology-stocks-fell-regular-trading-ionq-1-2-arqq-falling-1-8-hpq-sliding-1-4-2609-78) — AInvest Wire, Sep 29, 2026
  Quantum technology stocks experienced a decline in regular trading on Monday, with several key players posting losses. IonQ (IONQ) fell 1.2%, Arqit (ARQQ) dropped 1.8%, and Hydrus Photonics (HPQ) slid 1.4%. The sector has historically been marked by high volatility, with stock prices often reacting…
- [IonQ shares jump 11% premarket after co demonstrates end-to-end real-time quantum error decoder](https://www.ainvest.com/news/ionq-shares-jump-11-premarket-demonstrates-real-time-quantum-error-decoder-2609) — AInvest Wire, Sep 23, 2026
  IonQ Inc. (NYSE: IONQ) shares rose 11% in premarket trading on September 23, 2026, following the company’s announcement of a major advancement in quantum computing technology. IonQ successfully demonstrated the first end-to-end real-time quantum error correction decoder that operates on a standard…
- [Horizon Quantum - Q2 2026 adj EBITDA loss $5.50 mln vs $2.10 mln in Q2 2025](https://www.ainvest.com/news/horizon-quantum-q2-2026-ebitda-loss-5-50-mln-2-10-mln-q2-2025-2608) — AInvest Wire, Aug 4, 2026
  Horizon Quantum Holdings Ltd. (Nasdaq: HQ) reported its second-quarter 2026 financial results, showing adjusted EBITDA loss of $5.50 million , compared to a loss of $2.10 million in the same period of 2025. The increase in the loss reflects ongoing operational and strategic investments as the…
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