英伟达跌逾2%,“木头姐”买入;贝索斯旗下公司计划建造新型运载火箭;OpenAI向全球用户推出ChatGPT群聊功能「美股盘前」

Group 1 - The Dow futures rose by 0.36%, S&P 500 futures increased by 0.11%, while Nasdaq futures fell by 0.05% [1] - Cathie Wood's ARK Investment Management purchased 93,374 shares of Nvidia following the company's strong earnings report, marking the first purchase of Nvidia shares since August 4 [1] - Bitcoin experienced a significant drop, falling below $82,000 and reaching a low of $81,330, marking the lowest point since April 7, with a daily decline of over 9% [1] Group 2 - Blue Origin, founded by Amazon's Jeff Bezos, announced plans to build a new heavy-lift rocket that will be larger and more powerful than its existing New Glenn rocket [1] - Middle Eastern airlines made substantial purchases at the Dubai Airshow, with Boeing and Airbus receiving multi-billion dollar orders, including Emirates Airlines ordering 65 Boeing 777-9 aircraft [1]