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IBM

IBM sold off its PC business in December 2004, choosing to focus on servers, storage, software and services.

After selling off its PC business in December 2004, IBM's portfolio today covers servers, storage, software and services.

Still into mainframes, Big Blue announced in October this year that it will spend US$100 million over the next five years to make its technology easier to administer and program.

Big Blue also continues to enhance its software and services to capture a bigger piece of the service-oriented architecture (SOA) market.

Recently, the tech giant went on an acquisition spree of software companies--valued at more than US$3.6 billion--fueled by the computing industry's shift to SOA.

According to Reuters, IBM posted a 47 percent rise in quarterly profit, with revenue rising to US$22.6 billion from US$21.5 billion in the third quarter of this year, exceeding Wall Street expectations.