Forbes just released its list of top-earning athletes, and topping the ranking is golfing sensation Tiger Woods.Woods earned more than any other athlete has ever made in one year, $100 million at the end of June 2007. And he didn't make it all from golfing. Woods generated a large portion of his income from celebrity endorsements, generating wealth for both himself and the companies with which he worked. Because of Woods' celebrity, income generation and wealth, Stockpickr.com and Stockerblog.com to put together the Tiger Woods Stock Index, a portfolio of publicly traded companies associated with the Tiger. It seems like every time you see Woods, he's wearing Nike ( NKE) apparel, be it shirt, shoes or hat -- even when he's appearing in ads for other products. Woods is basically responsible for the success of Nike Golf. His promotion has contributed to the sports-gear maker's having one of the most popular brands in the world. Nike just hit a new 52-week high on Monday. The stock has a price-to-earnings (P/E) ratio of 19.5 and a P/E-to-growth (PEG) ratio of 1.3, and it pays a yield of 1.1%. Tiger also would never leave home without American Express ( AXP) thanks to a 10-year deal with the credit-card company that ended in August. American Express recently reported a 15% increase in net income for the latest quarter, on an 11% increase in revenue. The stock carries a P/E of 18, a PEG of 1.4 and a 1% yield.