YAHOO Finance Symbol Lookup Clean and simple.  Also Mutual funds

Fidelity Investments Symbol Lookup: Leads to lots of useful information about companies

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Market Monitors

YAHOO Quick Market Quote: Follow the Dow Jones Industrial Average minute by minute simply by hitting the "Reload" button.  Good news stories on market trends and easy to get quotes on individual stocks.

YAHOO International Markets: Follow market trends across the globe, as they develop in Asia, reverberate in Europe, and then mature on Wall Street.  A great one-page look at the most important markets around the world.

CNN Financial: Ted Turner's version of an all-in-one business resource. It has a good stock ticker and links to many other useful sites.

Places to Find Possible Companies to Invest In

MSN Stock Picker One of the most popular investment web sites. See what Bill Gates advises

Red Herring: Online version of a popular investment magazine

Hot Stocks: From CNN.  See what Ted Turner advises.

Company Profiles

Hoovers - a good site for free info about companies

Monster - This is information from the job search site Monster.com.  Good for finding what a company does