The best-performing company in the United States...

The best-performing company in the United States is Reebok International, the athletic apparel manufacturer best known for its popular shoes, according to Forbes magazine. Forbes ranked 880 companies by measuring their return on shareholders’ equity during the last three to five years. Reebok, based in Canton, Mass., had an average return on equity of over 200% during the last three years. At the bottom of Forbes list was Cameron Iron Works of Houston with a 0.1% return over five years.