Finance

Market and Indices

AMEX (American Stock Exchange)
CBS MarketWatch
Motley Fool Investment advice
NASDAQ
NYSE
The Street Investment information
U.S. Dollar Exchange Rates
What is the Dollar Worth? CPI Converter
Yahoo! Finance

Rates and Government

Bank Rate Monitor

Company and Industry Research

Corporate Information
Hoover’s Online
IndustrySearch
SEC Filings
SIC and NAICS Correspondence Tables