RGTI ▲ +5.3% - Rigetti Computing, Inc. $RGTI RGTIW - Rigetti Signs Definitive Agreement for $100M with U.S. Government to Accelerate R&D for Superconducting Quantum Computing Rigetti Computing shares rose 5.3% following news that the company has signed a definitive agreement with the U.S. Government for $100 million in funding to accelerate research and development of superconducting quantum computing technology. The substantial government commitment signals validation of Rigetti's technology and provides significant capital to advance its quantum computing platform. 08-SEP-2026 07:01 AM ET