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Sector rotation is a term normally applied to stock market trading patterns.〔(Sector Rotation Definition ) Investopedia〕 In this context, a sector is understood to mean a group of stocks representing companies in similar lines of business. For example, an investor or trader may describe the current market movements as favoring basic material stocks over semiconductor stocks by calling the environment a sector rotation from semiconductors to basic materials. Investors may use Exchange Traded Funds (ETFs) to buy a diversified portfolio of stocks in various sectors and market segments and manage the portfolio according to ETF Rotation strategies.〔()〕 ==Concept== A sector rotation theory says a number of things. First, whatever sector is hot (has done well recently) should continue to outperform. Second, these sectors will eventually rotate so that whatever was once out of favor will be in favor. Third, these movements are somewhat predictable. and connected with the business cycle. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sector rotation」の詳細全文を読む スポンサード リンク
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