speculation in futures

基本解释

The steep rise in food prices, she argues, is the result of speculation in the futures markets;
她认为，粮食价格的剧增，是期货市场投机活动的结果；
The report notes speculation in the futures market of primary agricultural commodities is behind much of the volatility in food prices.
联合国的这位食物权特别报告员还指出，食品价格的剧烈动荡主要是农产品期货市场上的投机活动造成的。
The steep rise in food prices, she argues, is the result of speculation in the futures markets; the famine is a chance for stricter financial regulation.
她认为，粮食价格的剧增，是期货市场投机活动的结果；而这次饥荒也是严格财政控制的良机。

Meanwhile, events in two large oil-producing countries are feeding speculation in futures markets.
ECONOMIST: Oil prices
This must indicate the regulators want to wipe out the traders in leveraged gold and silver futures to get speculation and volatility out of the gold and silver markets.
FORBES: Silver Down 30%, Gold Off 11% As Panic Hits Precious Metals