CNN Your Money March 30, 2013 17:22:00
Once upon a time, a regular investor called his broker to buy shares in a company. the broker called that order into a trader on the stock exchange floor. and for that, you paid the broker a substantial commission. that was then and this is now. today floor traders are becoming a thing of the past. the majority of stock trades in the united states aren't even made by human beings. they are made by computers. and the time it takes to execute your stock trade is dramatically faster and the commissions are dramatically lower. in the 1990s investors started migrating online for trade. we had acces...
Source: archive.org