打开交易图表，堆上十个技术指标，然后对着屏幕发呆不知道下一步怎么操作——这场景对交易员来说太熟悉了。如果把历史数据丢给计算机，告诉它“去试错”。赚了有奖励，亏了有惩罚。让它在不断的尝试和失败中学习，最终迭代出一个不说完美、但至少能逻辑自洽的交易策略。

Two soldiers and a civilian interpreter were killed while supporting counterterror operations, the Pentagon said. They are the first U.S. casualties in Syria since ...

YTD measures stock performance from the start of the current year. YTD is used for clear, consistent start points in ongoing market activity. Using YTD alone can skew stock performance insights; ...

The declaration date is when a company announces its next dividend payment; it's also an option's expiration date. Once a dividend is declared, it becomes the company's legal responsibility to ...