Final answer:
The question asks for the top brands that saw the biggest increase and decrease in brand value. The answer provides information on how to find brands that experienced the largest increase but there is no information available for brands that saw the largest decrease.
Step-by-step explanation:
The question is asking for the top brands/companies that saw the biggest increase and decrease in brand value between 2010-2011. The answer to the first part of the question can be found in Douglas Holt, John Quelch, and Earl L. Taylor's article titled "How Global Brands Compete." They compared the brand values of various companies in 2010 and 2011 and identified the brands that experienced the largest increase. As for the brands that saw the largest decrease in brand value, no specific information is provided in the given references.