Today in the class we learned about buisness and how to deal with it. He showed us how we can buy shares and we can loose money or gain more money in the buisness.
there are many types of buisnesses. example
sole properatiship
partner ship
coperation
general

Mr. Case talked about one of his friends and how he lost a lot of money since he bought shares and the shares went down.

in buisness there's always a risk. So you have to be careful.