Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Cash concentration and disbursement is a type of electronic funds transfer typically used to ...

An industry’s concentration ratio is the size of a certain number of firms in an industry compared to its total size. It is used to calculate one or more firms’ dominance of their sector. CR is ...

Company and sector weightings in the S&P 500 reflect current valuation, not economic impact. Currently SPY is concentrated in a small number of companies trading at extremely high valuations. Recent ...