(Stock index futures) may fall.Logical formLearned from71 sentences. A (stock index) may surge some percent.Logical formLearned from71 sentences. Stocks can be worldwide.Logical formLearned from71 sentences. (Stock exchanges) can be international.Logical formLearned from71 sentences. Stock can be in exchange.Logical formLearned from71 sentences. Irrational exuberance can be in a (stock market).Logical formLearned from71 sentences. A year can be for stocks.Logical formLearned from71 sentences. A (stock market) may tumble some percent.Logical formLearned from71 sentences. A stock may end a day.Logical formLearned from70 sentences. Line can be with (stock markets).Logical formLearned from70 sentences. A stock may trade at some times.Logical formLearned from70 sentences. Stocks may undergo a decline.Logical formLearned from70 sentences. Stock may be issued.Logical formLearned from70 sentences. A stock can be coated.Logical formLearned from70 sentences. Stocks may tumble for a day.Logical formLearned from70 sentences.