A world-city may slip on selling.Logical formLearned from6 sentences. Some round can be constituted-of-or-filled-with (dollar selling).Logical formLearned from6 sentences. Selling can be in a last hour of trading.Logical formLearned from6 sentences. A selling may reflect concerns.Logical formLearned from6 sentences. A group may undergo a selling.Logical formLearned from6 sentences. Gains may be erased by selling.Logical formLearned from6 sentences. A selling may last.Logical formLearned from6 sentences. Exporters may be targeted for selling.Logical formLearned from6 sentences. Selling may push_down prices.Logical formLearned from6 sentences. An (emergency grain reserve) may undergo a selling.Logical formLearned from6 sentences. A selling may be spread_acrossed.Logical formLearned from6 sentences. Investors may respond with selling.Logical formLearned from6 sentences. A (selling drug) may pertain-to a company.Logical formLearned from6 sentences. Selling of (technology issues) may lead a decline.Logical formLearned from6 sentences. A selling may be spreaded across an array of sectors.Logical formLearned from6 sentences.