Stocks Slide as U.S. Posts Fastest Growth in Nearly 2 Year | The Close 9/25/2025

At the close, the S&P 500 recorded its longest losing streak in a month, signaling recent market weakness. This comes as Guggenheim's CIO highlights artificial intelligence as a new source of inflationary pressure, introducing a significant macroeconomic consideration for investors.

Analysis

The S&P 500 has registered its most extended losing streak in a month, a technical signal indicating a potential shift in market sentiment and a weakening of near-term momentum. This development coincides with a notable macroeconomic commentary from Guggenheim's CIO, who has identified artificial intelligence as an emerging source of inflationary pressure. This perspective challenges the conventional view of AI as a purely deflationary force driven by productivity gains. The confluence of negative market technicals and a new fundamental headwind suggests that investors are reassessing risk. The idea that significant investment and resource consumption required for AI development could fuel inflation introduces a complex variable for monetary policy and corporate earnings outlooks, potentially complicating the path forward for risk assets.

Key Decisions for Investors

• Given the market's longest losing streak in a month, investors should assess their exposure to high-beta assets and consider if near-term risk-off positioning is warranted.
• Monitor upcoming inflation reports and Fed commentary closely for any corroboration of the view that AI is contributing to inflationary pressures, as this could alter interest rate expectations.
• Re-evaluate the tech sector thesis; while AI remains a long-term secular growth driver, the potential for it to fuel near-term inflation could create valuation headwinds for growth stocks sensitive to rising rates.