Quantum computing stocks experienced a sharp decline on Monday, with Rigetti Computing (RGTI) dropping 7% to $16.70 and IonQ falling 6%. This sell-off reversed a sentiment-driven rally from the previous week that was largely fueled by massive revenue growth reported by peers like Quantum Computing Inc., which saw a 9,000% year-over-year increase. The article argues that the recent sector-wide gains were driven more by headline numbers than fundamental commercial scale. Specifically, Rigetti's stock performance is being weighed against the broader 'quantum basket' dynamic, where position sizing and correlated moves often outweigh individual company fundamentals. The decline reflects investors de-risking from high-beta speculative tech following a soft session in the broader NASDAQ 100. Analysts note that large percentage revenue growth rates for companies like Rigetti are often mathematical artifacts of tiny prior-year bases rather than indicators of near-term profitability or commercial maturity. While Rigetti's COO sold shares recently for tax withholding, he retains a significant stake, but the broader market reaction suggests caution regarding valuations against pre-profit business models and reliance on future government funding.