Online Broker : Online brokers can make investing quick and easy- you can buy and sell stocks from more than 100 online brokers offering executions as low as $5 per transaction. Many online brokers offer special deals when signing up. Check the ability of your online broker to get the best price and returns for investors. Most online brokerage firms provide this information online at their websites.
 

Online Trading article 100 - "The New Landscape Of Online Trading" article from WSJ