By means of introducing ripe geometrical Brown movement model for common commodity price forecasting a coal price fluctuation model of coal market is established.

通过引入用于预测普通商品价格的较成熟的几何布朗运动模型建立了燃煤市场的煤价波动模型。

youdao

And they have a common goal: Yiwu small commodity market.

而他们都有一个共同的目标：义乌小商品市场。

youdao

Chart Analysis : In either a bull or bear market, whether you are talking about a stock, ETF, or commodity, it is common to see a series of flag formations.

FORBES: Profit from Flag Formations