Nortek Inc (NASDAQ:NTK) has seen an increase in support from the world's most elite money managers of late. The level and the change in hedge fund popularity aren't the only variables you need to analyze to decipher hedge funds' perspectives. A stock may witness a boost in popularity, but it may still be less popular than similarly priced stocks. That's why at the end of this article we will examine companies such as Tennant Company (NYSE: TNC ), Knight Capital Group Inc. (NYSE: KCG ), and NewLink Genetics Corp (NASDAQ: NLNK ) to gather more data points.