Where’s my refund?
http://www.irs.gov/individuals/article/0,,id=96596,00.html

http://www.ftb.ca.gov/online/refund/index.asp

Interest rates – The Federal Reserve Board
http://www.federalreserve.gov/releases/

Calculators for investors – The SEC
http://www.sec.gov/investor/tools.shtml

The SBA for small business
Starting and financing a New business
http://www.sba.gov/