Xclusive: Bill Gates Back To The Top AsThe World’s Richest Person The 57-year-old co-founder of Redmond, Washington-based Microsoft Corp. recaptured the title from Mexican investor Carlos Slim yesterday, according to the Bloomberg Billionaires Index, as the software maker hit a five-year high. It is the first time Gates has held the mantle since 2007. His fortune is valued at US$72.7 billion, up 16% year-to-date.Slim’s America Movil SAB, the largest mobile-phone operator in America, has dropped 14% this year after Mexico’s Congress passed a bill that could quash the billionaire’s market dominance. That’s helped erase more than US$3 billion from the 73-year-old tycoon’s net worth. Xclusive: Bill Gates Back To The Top AsThe World’s Richest Person The 57-year-old co-founder of Redmond, Washington-based Microsoft Corp. recaptured the title from Mexican investor Carlos Slim yesterday,... Read more » 6:31 pm