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President Donald Trump's administration warned on Tuesday the United States could impose fees or restrictions on European service providers in response to what it called “discriminatory” actions ...

Download Japanese Yen stock data: historical USDJPY stock prices from MarketWatch.

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。

Former Democratic Rep. Abigail Spanberger has defeated Republican Lt. Gov. Winsome Earle-Sears in the race for Virginia’s governorship, after a long campaign with no primaries. Spanberger will succeed ...