‘Broken overnight’: How stock market’s new closing auction is making traders jittery

 New stock market closing system: Brokerages found themselves responding to a surge of client queries, while retail investors turned to social media after noticing that the official closing prices appeared to differ from where stocks had traded during the day. New stock market closing system: Brokerages found themselves responding to a surge of client queries, while retail investors turned to social media after noticing that the official closing prices appeared to differ from where stocks had traded during the day.