道指开盘跌0.6%，标普500跌0.9%，纳指跌1.3%

Group 1 - Qualcomm's stock fell by 9.6% due to Q2 earnings guidance that did not meet expectations [1] - Wolfspeed's stock dropped by 22.7% as both Q2 earnings per share and sales figures fell short of forecasts [1] - Google's stock decreased by 6.2% despite exceeding earnings expectations, attributed to capital expenditure guidance that was significantly higher than anticipated [1] Group 2 - NIO's stock rose by 7.1% after reporting its first-ever adjusted operating profit in a single quarter [1] - Dingdong Maicai's stock declined by 13.5% following Meituan's proposal to acquire the company for $717 million [1]