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.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

by 1880, germany had more rail lines than great britain and russia.