Forex is easily biggest market asset total in transactions globally with figures
All approximate values below with links of source of Wikipedia
Forex at $960 trillion annually approximately at $4 trillion a day.
Over the counter derviatives is $600 trillion.
http://en.wikipedia.org/wiki/Foreign_exchange_market
http://en.wikipedia.org/wiki/Over-the-counter_(finance)
The size of the world stock market was estimated at about $36.6 trillion at the start of October 2008.[1] The total world derivatives market has been estimated at about $791 trillion face or nominal value,[2] 11 times the size of the entire world economy
http://en.wikipedia.org/wiki/Stock_market
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!
