NASDAQ NYSE List of tools

Hi,
i have found some very useful tools over the time, and I want to share them with you. If you have found more acurate tools, please let me know:

For Realtime Quotes, you have to register and pay some fees. But the L2 Orderbook and Realtimequote is worth the money:
http://investorshub.advfn.com/

Short Interest, If you wonder why your stock knocked down yesterday, you can look for short seller activity on the day before.
Register for free:
http://www.mightymarkets.com/

Short interest rate in days to cover and volumne, update every 2 weeks:
http://www.nasdaq.com/symbol/cga/short-interest

Fonds ownership, i haven't found a site with more actual information on ownership:
http://investing.money.msn.com/inves...p?symbol=PGWFF

Official Site for filings:
http://www.sec.gov/edgar/searchedgar/companysearch.html

A stock Screener. Figure out which stock is trading below P/E of 5, has a high short interest rate:
http://finviz.com/screener.ashx?v=11...&ft=2&o=ticker

Comodity prices, it's China but we are living in a global market :
http://www.sunsirs.com/uk/prodetail-437.html