证券时报·2025-10-30 15:05Core Viewpoint - The article discusses the recent volatility in the stock market, particularly focusing on the significant drop in Meta's stock price following its earnings report, raising concerns about excessive capital expenditures in the AI sector and the potential for a bubble [2][5][10]. Financial Performance of Tech Giants - Major tech companies, including Alphabet, Meta, and Microsoft, reported a combined capital expenditure of approximately $78 billion in Q3, representing an 89% increase year-over-year. This spending is primarily directed towards data center construction and equipping them with GPUs and other devices [5][10]. - Meta's stock plummeted nearly 12% after its earnings report, attributed to unexpected high capital expenditures and warnings of significantly higher spending in 2026 compared to 2025 [5][9]. - In contrast, Alphabet's stock rose over 5% as investors reacted more favorably to its increased capital spending [5]. Market Sentiment and Concerns - Investors are increasingly questioning whether the substantial investments in AI by these companies are justified or if they indicate a bubble forming in the sector [2][5][10]. - Microsoft reported a record capital expenditure of $34.9 billion in Q3, which surprised investors and led to concerns about the return on investment in AI [10]. Federal Reserve's Monetary Policy - The Federal Reserve's potential interest rate cut in December is uncertain, with differing opinions among committee members. The likelihood of a rate cut has decreased from 90% to 67% according to CME data [4].