Ten S&P 500 Stocks Drop Over 40% Amid Investor Fears of AI Disruption

In 2026, ten stocks in the S&P 500 lost more than 40%, despite the index rising by 8.28%. The decline was largely driven by investor concerns that artificial intelligence could disrupt traditional software and consulting businesses. Companies like Intuit (INTU), which owns TurboTax, saw sharp declines after AI-based tax tools emerged as alternatives to their services. Accenture (ACN) also faced significant losses due to shifting client spending toward AI solutions rather than human consultants. Other affected firms included Cognizant and The Trade Desk, all of whom operate in areas where automation could replace traditional work models. However, the two worst-performing stocks—CoStar Group (CSGP) and Boston Scientific (BSX)—were impacted by unrelated issues such as poor financial performance and product recalls. Meanwhile, AI-related sectors like chip manufacturing saw massive gains, with companies including Sandisk (SNDK), Dell Technologies (DELL), and Micron Technology (MU) rising sharply. The market shift highlights a growing divide between traditional businesses struggling to adapt and those capitalizing on the AI boom.

By Lockridge Okoth Sun, July 26, 2026 at 9:19 PM GMT+3 4 min read · Yahoo Finance ·

Ten S&P 500 Stocks Drop Over 40% Amid Investor Fears of AI Disruption

Tickers: $ACN $BSX $CSGP $CTSH $DELL $INTU $IT $MU $SNDK $TTD

Topics: AI impact consulting sector S&P 500 performance software industry

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