IBM or International Business Machines Corp had its worst day on stock market in more than 25 years on Monday, February 23.

IBM's market value drops $25 billion as AI threatens its lucrative COBOL modernization business, sparking a historic stock decline.

IBM z/OS 3.2 will be the cornerstone of the z17 mainframe and includes support for the Big Iron's new AI acceleration technologies. IBM today introduced the next release of z/OS, which promises to ...