IBM's Worst Day in 58 Years: $70 Billion Gone in a Single Session

IBM shares plunged 25% in a single trading session, wiping out nearly $70 billion in market value — the company's steepest one-day decline since 1968. The rout followed a disappointing preliminary second-quarter update that fell short of Wall Street's expectations.

IBM reported revenue of roughly $17.2 billion for the quarter, up just 1% year-on-year and below analyst estimates, with its infrastructure and mainframe business down 7%. Several large enterprise contracts also failed to close before quarter-end. CEO Arvind Krishna was candid about the miss in a letter to shareholders: "We faltered and did not adapt and move quickly enough."

Krishna pointed to a broader pattern: customers are redirecting technology budgets toward servers, storage, and memory hardware ahead of anticipated price increases and supply constraints — deferring software licensing and consulting engagements in the process. It's a sign that AI infrastructure spending is, for now, cannibalizing traditional enterprise software budgets rather than adding to them.

Not every part of IBM's business suffered. Red Hat grew revenue 11%, and server and storage business outside the mainframe segment jumped 37%. IBM also announced Lightwell, a $5 billion open-source security initiative backed by major global banks — notably, the company said customers are increasingly reallocating budget toward cybersecurity as they prepare for more sophisticated AI-powered threats.

The selloff dragged down peers Accenture and ServiceNow, and Indian IT majors TCS, Infosys, and HCLTech hit 52-week lows the same day. The market's fear is straightforward: if one of the most established enterprise tech providers is seeing software demand soften under AI infrastructure spending, other software vendors may not be far behind.

IBM's crash is less about one bad quarter and more about a structural reallocation already underway — hardware and infrastructure providers are capturing AI-era budgets first, while software and consulting wait their turn. Whether that's a temporary phase or a lasting shift in enterprise IT priorities is now the question the whole sector is watching.