IBM's revenue is now down year over year for three consecutive quarters.

See which stocks are posting big moves after the bell.

IBM Corp said on Sunday it had agreed to acquire U.S. software company Red Hat Inc for $34 billion, including debt, as i...

A U.S. jury on Friday awarded International Business Machines Corp $83 million in a patent dispute with e-commerce compa...

International Business Machines Corp on Monday asked a U.S. jury to award it $167 million in a lawsuit accusing e-commer...