International Business Machines (IBM) just had the kind of trading day that makes people look at the stock twice. The shares dropped 25.2% in a single session, wiping out tens of billions of market value and marking the worst one‑day fall in the company’s recent history.
That kind of move didn’t just hurt anyone who bought near the highs. It also forced the market to rethink what IBM is really worth. Then the tone got even tougher.
