Optimism can be over treatments.Logical formLearned from4 sentences. A rebound may stem from optimism.Logical formLearned from4 sentences. Optimism may be generated by news.Logical formLearned from4 sentences. (Investor optimism) can be about prospects.Logical formLearned from4 sentences. Optimism can be about a sale of (state assets).Logical formLearned from4 sentences. Optimism may be reflected in (bond yields).Logical formLearned from4 sentences. Optimism can be among economists.Logical formLearned from4 sentences. A comment may spark optimism.Logical formLearned from4 sentences. A jump may dim optimism.Logical formLearned from4 sentences. Executives may report a higher level of optimism.Logical formLearned from4 sentences. A sense of optimism may take hold.Logical formLearned from4 sentences. Concerns may outweigh optimism.Logical formLearned from4 sentences. Optimism can be over a strength of a recovery.Logical formLearned from4 sentences. Some analysts may voice optimism.Logical formLearned from4 sentences. Bonds may benefit from optimism.Logical formLearned from4 sentences.