Louis Vuitton: the most powerful brand

Louis Vuitton was recently ranked the No. 1 luxury brand in the Millward Brown BrandZ ranking of the Top 100 Most Powerful Brands, a list that covers 50,000 brands worldwide.

To rank them, market research company Millward Brown used the BrandZ database of its parent company, WPP (nasdaq: WPPGY - news - people ); the database is the world's largest repository of brand equity data, which include interviews with more than one million consumers globally.

Also on the list are Hermes, Gucci, Cartier, Chanel, Rolex, Hennessy, Armani, Moët & Chandon and Fendi.