Microsoft(US:MSFT) Zheng Quan Shi Bao Wang·2025-10-10 00:47Core Viewpoint - The current market environment, characterized by soaring stock prices of tech giants like Nvidia and Microsoft amid the AI wave, raises concerns reminiscent of the "irrational exuberance" warning from former Fed Chairman Alan Greenspan in 1996, with financial leaders warning of significant market correction risks in the next six months to two years [1] Valuation Metrics - The S&P 500's price-to-earnings (P/E) ratio is approximately 23 times, nearing a five-year high and significantly above the ten-year average of 18.7 times, yet still below the peak of around 25 times during the dot-com bubble of 1999-2000 [1] - The tech sector's P/E ratio stands at about 30 times, exceeding the long-term average of 21.4 times, but remains far from the extraordinary level of 48 times seen during the dot-com bubble [1] Market Sentiment - The trading volume of stock options, a measure of bullish sentiment, is approaching a four-year high, heavily concentrated in AI-related tech stocks, indicating strong market enthusiasm for tech stock gains [1] Analyst Perspectives - Despite market concerns, many analysts and investors believe the current situation differs from 2000, with Goldman Sachs analysts asserting that the current rally is driven by "fundamental growth rather than irrational speculation," highlighting that leaders in the AI field are established companies like Microsoft and Google with solid business models and substantial profits, unlike many unprofitable startups of the past [1] Investor Positioning - Data shows that institutional investors are maintaining a neutral position, while retail investors are allocating more funds to bonds and money markets, indicating a lack of extreme enthusiasm in the market [1]