By Gary Symons TLL Editor in Chief LEGO remains the world's most valuable toy brand, but Hasbro's Magic: The Gathering is the fastest growing franchise. That's according to the latest report from the brand valuation research firm Brand Finance, which issued its annual report this week. Brand Finance evaluates the strength of brands and quantifies their financial value to … [Read more...] about Brand Value: Research Firm Names the World’s Top Toy Brands