A drop can be in a (stock index).Logical formLearned from35 sentences. Some index can be changed.Logical formLearned from35 sentences. An index can be consolidated.Logical formLearned from35 sentences. A stock can be in an index.Logical formLearned from35 sentences. Indexes may fall some percent.Logical formLearned from35 sentences. An index of leading economic indicators may fall.Logical formLearned from35 sentences. A plunge can be in an index.Logical formLearned from35 sentences. An index may rise for a month.Logical formLearned from35 sentences. An index can be constituted-of-or-filled-with economic activity.Logical formLearned from35 sentences. An index may be revised.Logical formLearned from35 sentences. An index may measure conditions.Logical formLearned from35 sentences. (Index futures) may undergo a launch.Logical formLearned from35 sentences. Some index may drop some percent to some points.Logical formLearned from35 sentences. A release may pertain-to an index.Logical formLearned from35 sentences. An index can be for activity.Logical formLearned from35 sentences.