Specialists make a market in a particular company's stock on the exchange floor.

That meant $15 a week for running trade tickets around the firm's exchange floor.

The product will be traded at its own post on the exchange floor.

A trip to an exchange floor was canceled when the other graduates failed to show.

But some of the $50 orders stood, as did many others above $47.50 a share, the highest the stock traded on the exchange floor.

They were enthusiastically applauded by the many union members working on the exchange floor.

There were speculators who reached for what they thought was a bottom both in the pits and on the exchange floor.

A defibrillator to revive victims is now on the exchange floor.

The new development seemed to have little impact on daily workings on the exchange floor.

Government investigators are examining a number of trading practices on the exchange floors.