5. Elon Musk, Tesla Motors, Spacex
Age: 42
Last year's Ranking: 9
STAGE OF GLOBAL CONQUEST: Musk has navigated Tesla through near bankruptcy in 2008, to new highs. In August, a quarterly earnings report showing a net income of $26 million defied analysts' expectations for the visionary company, whose market value continues to expand.
Tesla's stock price has increased ninefold since its 2010 initial public offering, up almost 400 per cent this year alone.
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