美股“七巨头”竞争白热化

Group 1 - Alphabet's stock price increased by 2.4%, raising its market value to $3.89 trillion, surpassing Apple's market value of $3.85 trillion for the first time since 2019, indicating Apple's lag in the AI sector [3][8] - Apple has delayed the launch of its upgraded AI voice assistant Siri, originally promised for 2025, with no specific release date confirmed [3][8] - Alphabet has gained user favor and investor interest due to the rapid deployment of its next-generation AI models and generative tools, becoming the best-performing large tech stock in the previous year [3][8] Group 2 - At the CES, NVIDIA's CEO Jensen Huang introduced an AI inference model named "Alpameyo," designed specifically for the development of autonomous vehicles, highlighting the competition between Tesla and NVIDIA [3][8] - Tesla's CEO Elon Musk acknowledged that the new model could pose competitive pressure on Tesla but stated it would take five to six years, or even longer, for it to become a true competitor [4][9] - Musk has a history of underestimating competitors, as seen in 2011 when he dismissed BYD's products, which later surpassed Tesla in global electric vehicle sales by 2025 [4][9] Group 3 - The S&P 500 and Dow Jones Industrial Average ended a three-day winning streak [5][10] - Venezuela will indefinitely supply sanctioned oil to the U.S., according to sources [6][10] - Zhiyuan Technology has gone public in Hong Kong, becoming the first large language model company to be listed in China [6][10] - Samsung Electronics expects its fourth-quarter operating profit to double year-on-year [6][10] - Huang expressed optimism about a certain company, with analysts predicting its stock could nearly double this year [6][10]