Core Insights - The final trading weeks of 2025 are experiencing a "Santa Rally" driven by retail investors, particularly in quantum stocks [1] - Institutional trading desks are less active during the holiday season, allowing retail momentum to influence small-cap stocks more easily [4] Retail-Fueled Momentum - Retail investors, referred to as the "diamond hands" crowd, are increasingly investing in high-beta quantum stocks, supported by positive year-end milestones and bullish analyst coverage from firms like Jefferies and Wedbush [2] Quantum Stock Leaders - D-Wave Quantum, Inc. (NYSE:QBTS) saw a nearly 20% increase in stock price after confirming its Advantage2 annealing system will be featured at CES 2026, indicating strong retail sentiment [5] - Rigetti Computing, Inc. (NASDAQ:RGTI) is benefiting from social media buzz, with a focus on its 2026 roadmap that promises higher-qubit systems with lower error rates [5] - IonQ, Inc. (NYSE:IONQ) experienced gains due to the broader sector rally and recent analyst "Buy" ratings, emphasizing its 99.9% fidelity milestones [5] - Quantum Computing Inc. (NASDAQ:QUBT) gained traction following the completion of its acquisition of Luminar Semiconductor, positioning itself as a key player in the domestic supply chain for TFLN chips [5]