IBM shares rebounded nearly 2% in premarket trade after plunging 25% in their worst single-day fall in 58 years, wiping out nearly $70 billion in market value. The selloff was triggered by weaker-than-expected preliminary Q2 results and concerns that customers are shifting spending from IBM's traditional businesses to AI infrastructure.

“What played out was worse than our expectations,” CEO Arvind Krishna warned investors.

CEO Arvind Krishna writes letter to investors to explain "performance shortfall"

IBM shares tumbled sharply in premarket trade after the company flagged weaker-than-expected second-quarter results, missing both profit and revenue estimates. Management…

The sector-wide rout was ignited by IBM releasing its preliminary second-quarter results ahead of schedule