Investors may bid_up shares on optimism.Logical formLearned from6 sentences. Optimism can be over local elections.Logical formLearned from6 sentences. (Investor optimism) can be about prospects.Logical formLearned from6 sentences. Optimism can be on an issue.Logical formLearned from6 sentences. Optimism can be about cooperation.Logical formLearned from6 sentences. Optimism may undergo an overabundance.Logical formLearned from6 sentences. A US-president may express some optimism.Logical formLearned from6 sentences. Optimism can be among workers.Logical formLearned from6 sentences. An optimism can be cool.Logical formLearned from6 sentences. A flicker of optimism may be ignited.Logical formLearned from6 sentences. An optimism may be contrasted with speculation.Logical formLearned from6 sentences. Work may reflect an optimism of a youth.Logical formLearned from6 sentences. Optimism may be clouded.Logical formLearned from6 sentences. Optimism can be on a score.Logical formLearned from6 sentences. Optimism may switch to fears of contagion.Logical formLearned from6 sentences.