From Longman Business DictionaryFTSE All-Share IndexˌFTSE ˈAll-Share ˌIndex [singular]FINANCEthe FinancialTimesStockExchange All-Share index; an average of shareprices of all companies on the London Stock Exchange, about 1,000 companies, often used as a guide to compare the performance of different companies and industriesICI’s share price outperformed the FTSE All Share Index (=performed better than the average) by 7% during the week. →index
