International Business Machines Corp shares slid the most in at least 58 years after the company reported preliminary ...

IBM experienced its worst stock crash in 58 years, losing $70 billion in market value after Q2 results revealed a mere 1% ...

The weakness was concentrated in IBM's mainframe business, which provides high-performance computers and software used by ...

The company has been trying to reduce its reliance on the cyclical mainframe business by focusing on its software unit including its high-margin Red Hat business, which helps firms run applications ...