How to make a stock portfolio and what the best way to buy and sell them is?

The best way is through an online brokerage, however, will have to do your homework before investing ... Let me put it this way: the more you know, the less you will lose .... and word this way because there are a lot of knowledge to acquire before you start to see significant progress ...

An online brokerage firm to start your portfolio / trading (ie buying and selling) is http://optionshouse.com

They have a virtual account can be created for free ... It allows you to make trades with play money fake ... It's pretty amazing ...

I used the options of the house and e-commerce * ... and I must say, the house is far superior options in its interface user friendly and prices.