user can log in
user can log out
user has a portfolio
system will add stock ticker of stocks to users portfolio
user can update portfolio
user can view another users portfolio
users portfolio has a current ticker for the day
user can create an account
user can edit account
user can create a post
user can view a post by another user
user can update a post made by self
user can delete a post made by self
user can comment on a post by another user
admin can edit a post
admin can delete a post