4. IBM
Dec. 30, 2011: $183.88
Dec. 31, 2010: $146.76
Change: 25.3%
IBM, long one of the tech industry's bellwethers, enjoyed another fine year on Wall Street with a stock price gain of more than 25 percent. Just a few weeks ago, the tech giant made its annual predictions of technology innovations, this time including a link between the brain and a computer or smartphone.
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