The AI-driven stock rally that lifted technology shares throughout 2025 is showing cracks as investors reassess the technology's disruptive potential. Recent volatility has hit software, legal services, and wealth management sectors, with the S&P 500 software and services index down 15% since late January following Anthropic's launch of plug-ins for its Claude Cowork agent.

Major tech companies face mounting pressure over massive capital spending on AI infrastructure. Microsoft shares have fallen 16% in 2026 amid concerns about insufficient returns on investment, while Amazon.com is down over 11%. Some investors see buying opportunities as valuations become more attractive, with the software index's forward price-to-earnings ratio recently dropping to 22.7 times, its lowest level in nearly three years.

Market strategists note that AI's rapid evolution is creating winners and losers within the sector. Garrett Melson of Natixis Investment Managers describes "tug-of-war dynamics" as the market rewards perceived AI leaders while punishing laggards. While the broader S&P 500 remains near record highs with earnings estimated to rise over 14% this year, the tech sector's volatility adds complexity to investment decisions. As AI continues to reshape industries, investors are increasingly focused on identifying companies with sustainable competitive advantages that can weather the technological disruption.