Who ordered stocks to be bought or sold on the trading floor of the stock exchange?

Stockbrokers.

Explanation:

Stockbrokers took orders to buy or sell stocks from individual investors (some of whom were speculators), who paid them to carry out these purchases or sales at the best price.

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned

a. there was serious competition for tech jobs at the downtown clinic.

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