An index may tumble.Logical formLearned from72 sentences. Some index may rise some percent to some points.Logical formLearned from72 sentences. An index may pertain-to (purchasing managers).Logical formLearned from72 sentences. (Advert placements) can be on a (board index).Logical formLearned from71 sentences. Indexes may pertain-to a world-city.Logical formLearned from71 sentences. An index may be published.Logical formLearned from71 sentences. A (manufacturing index) may fall to some month.Logical formLearned from71 sentences. An index may touch bottom.Logical formLearned from71 sentences. (Stock index futures) may fall.Logical formLearned from71 sentences. A (stock index) may surge some percent.Logical formLearned from71 sentences. Some indexes may fall.Logical formLearned from71 sentences. A (composite index) may close at some points.Logical formLearned from71 sentences. A plunge can be in an index.Logical formLearned from70 sentences. Indexes can be composite.Logical formLearned from70 sentences. A weighting can be in an index.Logical formLearned from70 sentences.