IBM Corp. has agreed to acquire Rational Software Corp. for US$2.1 billion, the companies said Friday. Rational, which is located in Cupertino, California, provides software tools and services for ...

Rational Software topped analyst forecasts for third-quarter earnings. After the close of regular trading Wednesday, the maker of Internet software development tools reported fiscal third-quarter net ...

NEW YORK -- IBM Corp. said Friday it will purchase Rational Software Corp., a maker of development tools, for $2.1 billion in cash -- its biggest software acquisition since purchasing Lotus in 1995.

IBM will pay $2.1 billion in cash to acquire modeling tools company Rational Software, in a bid to win over more application developers. Rational's business operations will be combined with IBM's ...

IBM closed its $2.1 billion acquisition of Rational Software Corp. Friday, and has begun integrating Rational into its software division. IBM closed its $2.1 billion acquisition of Rational Software ...

After acquiring Rational Software for $2.1 billion in December, IBM has offered some insight into its plans to wrap Rational’s development tools into the On Demand initiative. Coming down the pike is ...

My guesses for what would constitute the bulk of the show news this week at IBM's 2008 Rational Software Developer Conference seem to have been mostly accurate. It’s teams, it’s collaboration and it’s ...

Rational Software slashed jobs and financial targets, but the company is planning on a rebound in the second half of its fiscal year. On Tuesday, the maker of software development tools told Wall ...

CRN:: Solution providers have said that since Rational became a part of IBM, its tools don't support Microsoft products as much as they support the J2EE platform. What's the story there? Devlin: ...