Many companies are mothballing mines and curtailing exploration to conserve cash as prices tumble .
由于价格暴跌，许多公司封存矿山、减少勘探以保存现金。
A credit crunch or recession could cause house prices to tumble in many more countries .
紧缩贷款和经济衰退周期的到来，也会使得很多国家的房价暴跌。
This week 's falls in equities and commodities have stopped just as they threatened to turn into a significant tumble .
本周股市与大宗商品市场的下挫在即将转化为一场暴跌之前停住了脚步。
Such funds can act as insurance policies , costing investors a bit when markets are raging but bailing them out when stocks tumble .
这种基金可以作为保险，当市场行情火爆时会让投资者付出一些成本，但在股票暴跌时也会助他们脱离困境。
Chinese steel executives feel particularly aggrieved because they agreed last year to an increase of up to 97 percent and then watched prices tumble with the global economy .
