Investors may build_up a lot of optimism that something-is-the-case.Logical formLearned from4 sentences. Optimism can be for a (budget agreement).Logical formLearned from4 sentences. Shares of some companies may advance on optimism.Logical formLearned from4 sentences. Bonds may offset optimism.Logical formLearned from4 sentences. Optimism can be about (alliance prospects).Logical formLearned from4 sentences. Markets may gain on optimism.Logical formLearned from4 sentences. Downgrades may boost optimism that something-is-the-case.Logical formLearned from4 sentences. Optimism may buoy stocks.Logical formLearned from4 sentences. Optimism can be over the future.Logical formLearned from4 sentences. Optimism may spur a rally.Logical formLearned from4 sentences. An optimism may be tallied.Logical formLearned from4 sentences. A market may be buoyed by optimism.Logical formLearned from4 sentences. An optimism can be useful in dealing with anxieties.Logical formLearned from4 sentences. Optimism can be in (peace talks).Logical formLearned from4 sentences. (Technology shares) may rally on optimism.Logical formLearned from4 sentences.