I Am A Nigerian, I Want To Know What It Takes To Buy And Sell Stocks On The Floor Of The New York Exchage. I Want To Invest There.

I Am A Nigerian, I Want To Know What It Takes To Buy And Sell Stocks On The Floor Of The New York Exchage. I Want To Invest There.
You should be able to set up a brokerage account through any of the major brokerage houses - Schwab, Fidelity, Smith Barney, etc. If you reside outside the US, you can open an "international" account, for example for Schwab use the following link:

International (http://www.schwab.com/public/schwab/home/get_started/access/international/index.html?cmsid=P-986932&pg=P-997637&lvl1=home&lvl2=get_started&refid=P-1655849&refpid=P-997775)