Hemsley studies the screens for clues as to what kind of day it's going to be.

海姆斯利研究着屏幕上的各种线索，看看这一天的情况将会如何。

A dozen of Hemsley's staff are now there, poised to liaise with customers, watch markets, and satisfy regulators.

现在有十几名海姆斯利的员工在那里，随时准备与客户联络，观察市场，让监管机构满意。

Hemsley is president of the European division of Cboe Global Markets, which runs the world's largest pan-European equities exchange.

海姆斯利是Cboe全球市场（Cboe Global Markets）欧洲分部的总裁，Cboe是全球最大的泛欧股票交易所的运营商。