【美股盘前】巴菲特退休前最后一份财报：伯克希尔Q3现金储备增至3817亿美元创新高；特斯拉将在三年内从三星SDI购买价值20亿美元储能电池；DDR5内存...

Group 1 - Major stock index futures are showing positive movement, with Dow futures up 0.15%, S&P 500 futures up 0.36%, and Nasdaq futures up 0.54% [1] - Chinese concept stocks are mostly rising in pre-market trading, with notable increases from Xiaopeng Motors (up 1.27%), NIO (up 1.24%), Baidu (up 1.01%), Bilibili (up 1.05%), and Miniso (up 1.64%) [1] - Chip stocks are also experiencing gains, with Nvidia up 1.19%, AMD up 1.00%, and Intel up 0.83% [1] Group 2 - Tesla has reached an agreement with Samsung SDI to purchase energy storage batteries worth over 3 trillion Korean won (approximately $21.1 billion) over the next three years, leading to a 0.49% increase in Tesla's stock [1] - Berkshire Hathaway reported a record cash reserve of $381.7 billion for Q3, with operating profit increasing by 33.6% year-over-year to $13.49 billion, as the company continues to divest from stocks like Apple and Bank of America [1] Group 3 - ExxonMobil's CEO stated that the company may exit the European market if the EU does not significantly relax sustainable development regulations, which impose penalties of 5% of global revenue for non-compliance [2] - Micron Technology's stock rose over 4% following reports that Samsung has paused DDR5 memory contract quotes, leading to a 25% increase in spot prices for DDR5 memory within a week [2] Group 4 - Several companies in the Middle East, including ADNOC and Masdar, have signed strategic agreements with Microsoft to accelerate the deployment of artificial intelligence within ADNOC's value chain and support Microsoft's global AI and data center expansion [2]