IBM Stock Suffers 1987-Style Crash—This Time on Steroids

On October 19, 1987, IBM crashed 24.7%. On July 14, 2026, the stock plunged 25.2%. We include a list of Dow-30 stocks currently in the index that have dropped more than 15 standard deviations on a single day. On July 14, 2026, IBM stock experienced its worst one-day drop since its IPO and in the […]