If you click on the word "symbol" on the top line of the portfolio, that will cause the stock symbols to be listed in alphabetical order. Click on it again, and they will be listed in reverse alphabetical order.
I see that this Q was posted in the iphone app category. If you open your portfolio on a full screen computer, then you can make the symbols alphabetical. After that the portfolio should be displayed the same way in the mobile app.
Customer support service by UserEcho