警惕AI冲击延续：科技板块累跌超4% 本周聚焦沃尔玛财报与核心经济数据

Group 1 - Concerns about the disruptive impact of artificial intelligence (AI) have led to a sell-off in the U.S. stock market, affecting sectors such as software, insurance, wealth management, and transportation, with all three major indices recording declines [1] - The technology sector, which previously led the bull market, has seen a cumulative decline of over 4% this year, while funds have shifted towards underperforming sectors like energy, consumer staples, materials, and industrials, all of which have increased by over 10% year-to-date [1] - Market leadership is shifting, influencing investor decision-making logic, as noted by Nationwide's Chief Market Strategist Mark Hackett [1] Group 2 - Key economic data to be released this week includes the preliminary Q4 GDP, the University of Michigan's monthly consumer sentiment survey, and the December Personal Consumption Expenditures (PCE) price index, which is favored by the Federal Reserve as an inflation indicator [2] - The Federal Reserve's January meeting minutes will reveal the divergence between officials advocating for maintaining interest rates and those supporting rate cuts, with the market fully pricing in a 25 basis point rate cut by July [2] - Walmart's Q4 earnings report, scheduled for release on Thursday, is anticipated as a significant indicator of consumer spending, with Walmart's stock up 20% this year and a market capitalization exceeding $1 trillion [2]