Why did IBM stock drop sharply?

The stock fell after the company announced preliminary Q2 2026 results that missed analyst expectations, due to weakness in the infrastructure business.

What preliminary financial figures did IBM announce?

IBM has not disclosed specific numbers yet, but indicated that preliminary revenue came in below expectations.

What did the CEO cite as the reason for the weak results?

CEO Arvind Krishna attributed the shortfall primarily to the infrastructure business, which performed worse than the company expected.

IBM Preliminary Q2 Earnings Warning Triggers Worst Stock Day Ever

IBM released preliminary second-quarter 2026 results that missed analyst targets, leading to the worst single-day stock decline in the company's history. CEO Arvind Krishna attributed the shortfall primarily to the infrastructure business.

IBM (NYSE: IBM) announced preliminary second-quarter 2026 results that fell short of analyst expectations, causing the stock to suffer its worst single-day decline ever on Tuesday. In a letter to shareholders, CEO Arvind Krishna explained that the revenue miss was largely driven by the company's infrastructure business.

Key Financial Results

IBM has not yet released final Q2 numbers, but indicated that preliminary revenue came in below expectations. No specific figures have been disclosed.

Highlights from the Statement

Krishna noted in his letter that the infrastructure business performed worse than the company had anticipated, dragging down overall results. He stated: "What played out was worse than our expectations."

Future Guidance

IBM did not provide specific guidance for the upcoming quarter in this preliminary announcement.

Impact on the Stock

IBM shares fell sharply on Tuesday, marking the worst single-day performance in the company's history. The exact percentage decline has not been specified.

What This Means for Investors

This early warning indicates that IBM faces challenges in its infrastructure segment, which could weigh on investor confidence in the near term. However, investors should wait for the final results and official guidance to fully assess the situation.