Why Rigetti Computing Stock Gained 48.6% in October

Core Insights - Rigetti Computing's shares increased by 48.6% in October 2025, following a remarkable 83.6% rise in September, primarily driven by positive analyst reports and advancements in quantum computing technology [1][8] - Analyst David Williams from Benchmark raised Rigetti's target price from $20 to $50 per share, praising the company's $350 million stock sale, which is expected to support its operations for several years [2] - JPMorgan Chase announced a $1.5 trillion commitment to advanced technology investments, including quantum computing, which contributed to a 25% increase in Rigetti's stock over a weekend [3][4] Company Developments - Rigetti announced support for Nvidia's NVQLink platform, which facilitates communication between digital computers and quantum systems, enhancing data access and simplifying programming for quantum computing [6] - The integration with Nvidia represents a significant step for Rigetti, indicating a future where quantum and digital computing coexist for various applications [7] Market Context - The quantum computing sector is experiencing heightened interest, with Rigetti's stock surging over 3,000% in the past year, although it may currently be overvalued [8]