采矿业十分多元化的里奥·廷托公司和必和必拓公司也限制生产。
The diversified mining companies Rio Tinto and BHP Billiton also curbed production.
坎托公司的市场是基于使用虚拟资金的好莱坞股票交易所，它是现有的可预测的市场。
Cantor's market is based on an existing predictive market, the Hollywood Stock Exchange, which USES play money.
美国最大的化学品制造商道化公司仅占有2.6%的市场份额，而在同期，蔓三托公司的市场份额为34%。
Dow chemical Co, the biggest us chemical maker, added just 2.6 percent while Monsanto gained 34 percent in the period.
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