Central Banks:

Bank of Canada
Bank of England
    (National Statistics online)
Bank of Japan
Banque de France
People's Bank of China
Deutsche Bundesbank (Germany)
European Central Bank
Federal Reserve Bank of US
Hong Kong Monetary Authority
Reserve Bank of Australia
Swiss National Bank

(New York Fed's Global Indicators)

Stock Exchanges:

Australian Stock Exchange (ASX)
Deutsche Boerse (Germany)
Euronext
Hong Kong Stock Exchange
London Stock Exchange (LSE)
NASDAQ
New York Stock Exchange (NYSE)
Swiss Exchange (SIX)
Tokyo Stock Exchange (TSE)
Toronto Stock Exchange (TSX)

Online and News Organizations

AsiaMoney
Australian Financial Review
Bloomberg
Economist (advfn.com)
Financial Times
Financial Post
MSNBC
Reuters
Yahoo! Finance
    (US, UK, Canada, Australia)

Miscellaneous but Helpful

Bank NY Mellon ADR
ADR.com (JP Morgan)
BusinessWeek Companies
Standard & Poor's Indices
FTSE Indices
Institute for International Economics

International Organizations:

Bank of International Settlements
    - Quarterly Outlook
Financial Stability Forum
International Monetary Fund (IMF)
    - World Economic Outlook
    - Financial Stability Report
Organisation for Economic Co-operation & Development (OECD)
World Bank
World Trade Organization