美股量子计算概念股盘前跌幅扩大，RGTI跌近7%

Core Viewpoint - Quantum computing concept stocks in the US market experienced significant pre-market declines, indicating a negative sentiment in the sector [1] Group 1: Stock Performance - RGTI saw a decline of nearly 7% [1] - QBTS dropped by nearly 5% [1] - ARQQ fell by over 4% [1] - LAES and IONQ both decreased by over 3% [1]