The brokers need to identify speculative trading, and regulations require them to report such cases in certain conditions.

经纪人需要识别投机交易，法律法规要求他们在某些情况下报告此类情况。

youdao

The flash-crash report provides some vindication for high-frequency trading firms, which had been widely blamed for the mayhem that day.

闪电崩盘报告为从事高频交易的交易公司做了一些澄清，由于那天发生的大混乱，这些公司受到了广泛指责。

youdao

One proposed rule would force the Banks to report any trading plan used for market making activities.

一项提议法规将要求银行公布所有用于做市活动的交易计划。

youdao

He added that an Office of Fair Trading report on the matter found three contributory factors.

BBC: Car insurance

In response to calls for an annual Office of Fair Trading report on the impact on competition, Ms Cooper said that the government had held talks with the OFT and recognised that Northern Rock should not "enjoy inappropriate unfair competition" with other banks or building societies.

BBC: Northern Rock bill gets approval

Lehman Brothers sank 10% in trading Monday after a report that it had been shut out of trading some energy contracts by Platts, a pricing service, on counterparty concerns.

FORBES: Magazine Article