IBM shares logged their worst day on record Tuesday, tumbling 25% after the company warned that second-quarter profits fell short of expectations due to soft demand in its software and infrastructure businesses. The decline dragged on major averages, making IBM the biggest detractor in both the Dow Jones Industrial Average and the S&P 500.

The Armonk, New York-based technology giant’s warning sent shockwaves through corporate America, particularly in cities like Houston where IBM maintains a significant operational presence. IBM’s Houston facilities have long been part of the city’s technology ecosystem, serving energy clients, financial services firms, and government agencies.

The Dow Jones Industrial Average added just 10 points, or 0.02%, as Goldman Sachs contributed the most gains while IBM subtracted 435 points. The S&P 500 rose 28 points, or 0.38%, with Nvidia providing the largest boost and IBM the biggest drag. The Nasdaq Composite advanced 234 points, or 0.90%, led by Nvidia’s 98-point contribution.

IBM’s profit warning highlights growing concern about enterprise technology spending, particularly in software and infrastructure. The company’s struggles contrast sharply with the AI-driven boom benefiting chip makers and cloud infrastructure providers. Analysts point to a growing divide between companies benefiting from AI investment and those whose traditional enterprise businesses are facing demand softness.

The broader market rally on Tuesday was supported by a cooler-than-expected inflation report. The consumer price index fell 0.4% in June, bringing annual inflation to 3.5%, below economist estimates. The report eased concerns about aggressive Federal Reserve tightening, with the probability of a July rate hike dropping to 17%.

Despite IBM’s sharp decline, earnings season has gotten off to a solid start overall. United Airlines, Morgan Stanley, Johnson & Johnson, and BlackRock are scheduled to report quarterly results on Wednesday, providing further insight into the health of corporate America.

For Houston’s broader tech corridor, the IBM warning underscores the importance of diversification. While the city’s energy technology sector remains strong, enterprise IT spending patterns are shifting as companies navigate the transition to AI-powered computing architectures. The situation bears watching for Houston businesses that depend on IBM’s consulting and infrastructure services.

CNBC | CNBC IBM Report