Tyrone Siu/ Reuters Hong Kong billionaire Li Ka-shing may $4, but with a $4, his wealth is still nothing to sneeze at.
Li Ka-shing has an$4. He was forced to drop out of school as a child to support his family, but today, he is one of the world's richest men. He opened his first factory at the age of 22 and within a few years saw great success as a manufacturer, property developer, business magnate, and investor.
He's now become a major investor in disruptive technology. He was one of the first big investors in Facebook, and his most recent big acquisition was the British telecom company, O2, which $4.