By Reuben Gregg Brewer
Publication Date: 2026-03-04 16:45:00
IBM (IBM +1.13%) is one of my largest holdings. I’ve owned it for around a decade, buying into the turnaround before it actually happened, correctly believing that this company, which is more than a century old, would be able to reinvent itself again. But the stock’s big pullback in 2026 has me watching it very closely as March gets underway.
What does IBM do?
IBM is a business-to-business technology company that has a material focus on services. It provides the knowledge and human resources to help companies set up and maintain their cloud computing systems, and it helps customers integrate all of that with artificial intelligence (AI). It also makes mainframes, large computers that typically run crucial parts of a customer’s business.
Image source: Getty Images.
What’s important to me is that this is not what the company has always done. In fact, IBM started out making things like scales and has, over the years, transitioned to keep pace with the needs of its business customers…
