六月节股市休市安排：周五交易时间调整
Is the stock market open on Juneteenth? Will the post office deliver mail?
The June 19 federal holiday falls on a Friday this year. Here’s how trading hours and other services are affected.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力