The Trading Floor, as observed from above the former CNBC media booth a few hours after the Closing Bell. 

The Trading Floor, as observed from above the former CNBC media booth a few hours after the Closing Bell. 

 Historic Boardroom. The executive staff of the Exchange has not been large enough to fill the room for years, so it is used primarily as an event space for visiting companies. Exxon, for instance, has hosted annual investors meetings here. The Tiffany glass ceiling, originally open to the sky, was sealed from the top in response to terrorist attacks at the turn of the 20th century. 

Historic Boardroom. The executive staff of the Exchange has not been large enough to fill the room for years, so it is used primarily as an event space for visiting companies. Exxon, for instance, has hosted annual investors meetings here. The Tiffany glass ceiling, originally open to the sky, was sealed from the top in response to terrorist attacks at the turn of the 20th century. 

 Early morning champagne to celebrate an IPO.

Early morning champagne to celebrate an IPO.

 Filling orders.

Filling orders.

 In a sea of algorithms and high speed transactions, the role of living, breathing bodies is being redefined--and ultimately diminished. 

In a sea of algorithms and high speed transactions, the role of living, breathing bodies is being redefined--and ultimately diminished. 

 Peter Tuchman, longtime trader at Quattro M. Securities, checks the big board after the Closing Bell. 

Peter Tuchman, longtime trader at Quattro M. Securities, checks the big board after the Closing Bell. 

 Watching the price as their company's stock opens for the first time. 

Watching the price as their company's stock opens for the first time. 

 IPO's are one of the few times the Exchange buzzes with the same energy seen in the old days.

IPO's are one of the few times the Exchange buzzes with the same energy seen in the old days.

 On the phone with the banks. During IPO's the floor is a chorus of muted communications punctuated by occasional loud questions about projected prices and estimated opening times.

On the phone with the banks. During IPO's the floor is a chorus of muted communications punctuated by occasional loud questions about projected prices and estimated opening times.

 Studying the stock price during the IPO for Smart & Final, an upscale grocery store chain.

Studying the stock price during the IPO for Smart & Final, an upscale grocery store chain.

 Employees and representatives of American Addiction Centers ring the Closing Bell. In addition to listed companies and celebrity appearances, the events schedule also includes non-profit and charitable organizations.

Employees and representatives of American Addiction Centers ring the Closing Bell. In addition to listed companies and celebrity appearances, the events schedule also includes non-profit and charitable organizations.

 Alibaba CEO Jack Ma smiles calmly as his company brings the Exchange the largest IPO in history with an initial valuation of 25 billion USD. 

Alibaba CEO Jack Ma smiles calmly as his company brings the Exchange the largest IPO in history with an initial valuation of 25 billion USD. 

 A CEO forcefully rings the first trade bell, signifying the official opening of his company's stock. 

A CEO forcefully rings the first trade bell, signifying the official opening of his company's stock. 

 A CEO uses his ceremonial gavel to analyze numbers with his Designated Market Maker. 

A CEO uses his ceremonial gavel to analyze numbers with his Designated Market Maker. 

 Cheering on the Closing Bell

Cheering on the Closing Bell

 The CEO of a pet healthcare company participates in an interview on the trading floor during an IPO. 

The CEO of a pet healthcare company participates in an interview on the trading floor during an IPO. 

 Chris Pratt and Zoe Saldana are swarmed by photographers on the trading floor as they promote Marvel's Guardians of the Galaxy movie. 

Chris Pratt and Zoe Saldana are swarmed by photographers on the trading floor as they promote Marvel's Guardians of the Galaxy movie. 

 Strategy meeting.

Strategy meeting.

 Sharing a laugh during a stressful IPO.

Sharing a laugh during a stressful IPO.

 A holiday themed IPO.

A holiday themed IPO.

 A floor trader rubs his eyes after a long day.

A floor trader rubs his eyes after a long day.