In order to control market volatility and provide time for rational reassessment during times of panic trading, price limits regulations exist in many stock markets in the world.

为了控制市场价格过分波动以及在市场发生恐慌时为投资者提供适当的恢复时间，价格涨跌停限制规则存在于许多国家的股票市场中。

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Purchase cost control is to purchase quantity and unit price of the stock control, focus on the purchase of the unit price control.

进货成本控制在于对进货数量和进货单价的控制，着重于进货单价的控制。

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It has become am important issue concerned by refining enterprises that refineries control crude oil stock efficiently to reduce capital investment and price risks.

炼厂如何合理控制原油库存，以降低资金占用和跌价风险，已成为各炼油企业关注的重点。

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Mr Marchionne is in no hurry to have an IPO, however, perhaps because he would then have to pay the full market price for the stock he will need to gain full control.

ECONOMIST: General Motors' IPO

"It became very clear that we had no control of the volume or price of our stock in any way, " said Global Links Chief Executive Frank Dobrucki , in a March 15, 2005, letter to shareholders.

FORBES: More Shots Fired In The Shorting War

With its shares selling for a quarter of their 1999 peak, it could also be an opportunity for the Ford family, which still has over 40% voting control, to buy back stock at a depressed price.

FORBES: Putting On A Private Face