道指开盘跌0.4%，标普500跌0.5%，纳指跌0.7%

Group 1 - Lucid's stock fell by 2.6% due to Q3 performance falling short of expectations [1] - Block, a major player in mobile payments, saw a 12.5% drop in stock as Q3 revenue and earnings per share missed forecasts [1] - Opendoor's stock declined by 18.8% with quarterly sales dropping over 30% [1] Group 2 - Airbnb's stock increased by 4.9% after Q3 revenue exceeded expectations, and the company raised its Q4 revenue forecast [1] - Sandisk's stock rose by 2.5% as quarterly revenue and gross margin surpassed expectations, with a supply-demand imbalance expected to last until the end of 2026 [1]