Key Takeaways Rigetti's stock soared over 2,800% amid major contracts and quantum technology milestones. The firm secured U.S. Air Force and Novera deals worth over $11 million combined.Despite progress, falling revenue, higher losses and a lofty valuation raise red flags.Rigetti Computing, Inc.’s (RGTI) shares have gained more than 2,800% in the past year as investors showed excitement over its quantum breakthroughs. However, Rigetti’s weak fundamentals and lofty valuation raised doubts about its future gr ...