Rigetti stock jumped today. Here's why.Shares of Rigetti Computing (RGTI 24.98%) soared on Monday, finishing up 25%. The spike came as the S&P 500 (^GSPC 1.56%) and the Nasdaq Composite (^IXIC 2.21%) gained 1.5% and 2.2%, respectively.The quantum computing stock surged after JPMorgan Chase revealed plans to invest $10 billion in various industries and technologies under its broad "Security and Resiliency Initiative" aimed at boosting U.S. economic and technological leadership. Quantum computing was among th ...