An index may pertain-to a newspaper.Logical formLearned from23 sentences. A (name index) can be alphabetical.Logical formLearned from23 sentences. A weight can be in an index.Logical formLearned from23 sentences. (Index funds) can be passive.Logical formLearned from23 sentences. An index may pertain-to contents.Logical formLearned from23 sentences. (Index changes) can be refractive.Logical formLearned from23 sentences. An index may be built.Logical formLearned from23 sentences. An index can be convenient.Logical formLearned from23 sentences. A (stock index) may slump some percent.Logical formLearned from23 sentences. A (benchmark index) may sink some percent.Logical formLearned from23 sentences. A (benchmark index) may jump some percent.Logical formLearned from23 sentences. A (benchmark index) may tumble some percent.Logical formLearned from23 sentences. A (confidence index) can be for manufacturers.Logical formLearned from23 sentences. An index of (business activity) may rise.Logical formLearned from23 sentences. An index may fall in a world-city.Logical formLearned from23 sentences.