Rigetti (RGTI) stock dips after 108‑qubit Cepheus reset; CEO cites “tunable coupler” complexity
Shares of Rigetti Computing dropped 2.1% on Friday, closing at $24.72. The company announced a revised timeline for its 108-qubit quantum system, Cepheus-1-108Q, now targeting general availability by the end of Q1 2026. https://www.investing.com/equities/rigetti-computing-inc-historical-data https://www.globenewswire.com/news-release/2026/01/09/3216043/0/en/Rigetti-Computing-Provides-Update-on-108-Qubit-System.html