traders

Pakistani stockbrokers rest during a trading session at the Pakistan Stock Exchange (PSE) in Karachi

Rizwan Tabassum/AFP/Getty Images

Pakistani stockbrokers rest during a trading session at the Pakistan Stock Exchange (PSE) in Karachi

Traders and brokers speak on telephones on the trading floor of the open outcry pit at the London Metal Exchange Ltd. (LME), after an official opening ceremony of the LME's new premises by Chilean President Michelle Bachelet in London, U.K., on Friday, May 13, 2016. Bachelet weighed in on the Brexit debate, making a veiled comment in support of continued U.K. membership in the European Union.   Photographer: Chris Ratcliffe/Bloomberg

Chris Ratcliffe/Bloomberg

Traders and brokers speak on telephones on the trading floor of the open outcry pit at the London Metal Exchange Ltd, after an official opening ceremony of the LME’s new premises by Chilean President Michelle Bachelet in London

New York Stock Exchange...epa05268814 Traders work on the floor of the New York Stock Exchange (NYSE) at the start of the trading day in New York, New York, USA, 20 April 2016.  EPA/JUSTIN LANE

Justin Lane/EPA

Traders work on the floor of the New York Stock Exchange (NYSE) at the start of the trading day in New York

A Kashmiri shopkeeper reads a newspaper outside his closed shop during a strike in Srinagar, Indian controlled Kashmir, Tuesday, May 5, 2015. Kashmir Traders and Manufacturers Federation (KTMF) called for a shutdown on May 5 to protest the governmentís alleged failure to rehabilitate flood-hit traders. (AP Photo/Mukhtar Khan)

Mukhtar Khan/AP

A Kashmiri shopkeeper reads a newspaper outside his closed shop during a strike in Srinagar, Indian controlled Kashmir. Kashmir Traders and Manufacturers Federation (KTMF) called for a shutdown on Monday to protest the government’s alleged failure to rehabilitate flood-hit traders 

Dick Costolo, Jack Dorsey, Evan Williams, Biz Stone...Twitter CEO Dick Costolo, Chairman and co-founder Jack Dorsey, and co-founders Evan Williams and Biz Stone, front row left to right, applaud as they watch the the New York Stock Exchange opening bell rung, Thursday, Nov. 7, 2013.  If Twitter's bankers and executives were hoping for a surge on the day of the stock's public debut, they got it. The stock opened at $45.10 a share on its first day of trading, 73 percent above its initial offering price.

Richard Drew/AP

(From left) Twitter CEO Dick Costolo, chairman and co-founder Jack Dorsey and co-founders Evan Williams and Biz Stone, applaud as the New York Stock Exchange opening bell is rung, Thursday. If Twitter’s bankers and executives were hoping for a surge on the day of the stock’s public debut, they got it.