存储芯片巨头，股价大涨

Market Overview - The three major U.S. stock indices experienced slight fluctuations, closing nearly flat, with all three indices recording declines for the week as the fourth-quarter earnings season commenced [1][2] - The Dow Jones Industrial Average fell by 83.11 points, or 0.17%, closing at 49,359.33 points; the Nasdaq Composite dropped by 14.63 points, or 0.06%, to 23,515.39 points; and the S&P 500 index decreased by 4.46 points, or 0.06%, finishing at 6,940.01 points [2] Sector Performance - For the week, the Dow fell by 0.29%, the S&P 500 declined by 0.38%, and the Nasdaq dropped by 0.66% [3] - Among the 11 sectors of the S&P 500, the healthcare sector fell by 0.84%, telecommunications dropped by 0.72%, and consumer discretionary decreased by 0.17%. In contrast, the information technology sector rose by 0.09%, energy increased by 0.21%, and real estate gained 1.2% [3] ETF Performance - In the sector ETFs, the network stock index ETF fell by 0.88%, the healthcare ETF dropped by 0.78%, while the technology ETF rose by 0.11%, the energy ETF increased by 0.17%, and the semiconductor ETF gained 1% [4] Notable Stock Movements - Major tech stocks showed mixed results, with Microsoft up by 0.7%, Amazon rising by 0.39%, while Google A fell by 0.84%, Apple dropped by 1.04%, Nvidia decreased by 0.44%, Tesla fell by 0.24%, and Meta declined by 0.09% [5] - Micron Technology surged by 7.6%, reaching a historic high with a market capitalization exceeding $400 billion, following the announcement of a $100 billion memory manufacturing complex [5] - ASML rose by 2%, reaching a historic high and becoming the third European stock to surpass a market cap of $500 billion, with potential for a further 70% increase according to Morgan Stanley [6] Company News - OpenAI announced the initiation of ad testing in ChatGPT to enhance revenue capabilities, expanding its subscription service to more regions [7] - Novo Nordisk's stock surged over 9% due to promising early prescription data for its new GLP-1 oral medication for obesity treatment [7] - Walmart appointed David Guggina as the new CEO of its U.S. operations, succeeding John Furner, who will become the CEO of the entire group [8]