A (manufacturing index) can be regional.Logical formLearned from46 sentences. A (stock price index) can be composite.Logical formLearned from46 sentences. A (platinum mining index) may jump some percent.Logical formLearned from46 sentences. A (stock index) may dip by some points.Logical formLearned from46 sentences. An index may pertain-to a month.Logical formLearned from46 sentences. (Security index) may undergo a definition.Logical formLearned from46 sentences. An index may pertain-to librarians.Logical formLearned from46 sentences. An index may undergo a decline.Logical formLearned from46 sentences. An index can be for a (stock market).Logical formLearned from46 sentences. An index can be used.Logical formLearned from46 sentences. A (stock index) may plunge.Logical formLearned from46 sentences. A (core rate) of a (producer price index) may rise some percent.Logical formLearned from46 sentences. A gainer can be in an index.Logical formLearned from46 sentences. An index can be cyclical.Logical formLearned from46 sentences. Indexes may post gains.Logical formLearned from46 sentences.