IBM lowers 2026 forecast to 4-5% growth after rare earnings warning; shares fell 25% in single day as mainframe sales slumped 42%, worst drop on record.

IBM lowers full-year forecast after earnings warning

IBM CEO Arvind Krishna attends a Rose Garden Club event on the Rose Garden of the White House in Washington on July 6, 2026. Mandel Ngan | Afp | Getty ImagesIBM on Wednesday lowered its 2026 forecast and delivered thinner quarterly profits than analysts had projected, even after the technology vendor issued an earnings warning last week. Shares rose 4% in extended trading.Here's how the company did relative to LSEG consensus:Earnings per share: $2.93 adjusted vs. $2.97 expected Revenue: $17.16 ...