There are online discount stock brokers with whom you can invest and trade stocks online. I will be periodically picking an online stock broker and compare their features.

TradeKing:
One of the lowest fee online stock broker is TradeKing. TradeKing’s charges a flat $4.95 fee for all and any type of trade is one of the lowest available. There are no required  minimum and no hidden fees to open an account. In multiple reviews, this broker is also named as having the best customer service of any online broker. Part of its award-winning customer support is the online TradeKing Community, where investors interact with one another and with professionals. Experts also praise this online broker’s trading tools and range of investment products. However, TradeKing doesn’t have as many features for those who need more help. There’s no in-person investment advice available, but it has active forums.

SmartMoney.com: SmartMoney’s 2008 annual survey lists the best and the worst online broker in each of six categories, based on hands-on tests and …

Barron’s: Barron’s presents its 2008 review of 23 online brokers, where companies are evaluated based on in-depth analysis of site …

Kiplinger Personal Finance: Kiplinger’s Personal Finance evaluates a dozen online brokers by opening accounts at each of them and testing their products and …

ConsumerReports.org: Almost 20 online brokers are rated by Consumer Reports, where editors test each broker’s research tools, site features and …