trading floor 
noun
An area within an exchange or a bank or securities house where dealers trade in shares or other securities.The NYSE and AMEX are both primarily auction based, which means specialists are physically present on the exchanges' trading floors....
- But they haven't even made it yet to their desks on the rowdy trading floors of investment banks in the City of London.
- On the NYSE, all trades occur in a physical place, on the trading floor of the NYSE.
- number board
- number cloth
- number-crunch
- number cruncher
- number crunching
- numbered account
- numbered company
- number eight
- number-engaged
- numberer
- number form
- numberful
- numberless
- number line
- number-man
- number one
- number opera
- numberous
- number plate
- number portability
- number runner
- Numbers
- numbers drop
- numbers game
- number sign