Huan Qiu Shi Bao·2025-08-21 22:54Group 1 - The enthusiasm for AI investments in the US market appears to be experiencing a turning point, with significant declines in technology stocks following a previous surge [1] - The S&P 500 technology sector has seen a decline of 2.5% over the week, while the Nasdaq Composite Index has dropped approximately 2% [1] - Major tech stocks like Nvidia and Palantir have been heavily impacted, with Nvidia's stock down 5% and Palantir's down 16% [1] Group 2 - The recent sell-off in tech stocks has resulted in a loss of $1 trillion in total market capitalization for US stocks within just four trading days [1] - Concerns over the overvaluation of AI companies are driving this downturn, as many investments in AI have not yielded returns, with 95% of institutional AI investments reportedly not generating any returns [1] - The majority of AI initiatives are stagnating due to flawed system integration and capability shortcomings, with only a few startups achieving success [1] Group 3 - OpenAI's newly released GPT-5 has underperformed against market expectations, leading to comments from CEO Sam Altman that investors may be "overly excited" about AI [2] - The current market volatility is seen as a typical part of the technology cycle, with adjustments expected, but long-term winners will be those who can demonstrate AI's lasting value in complex, high-risk environments [2]