To delete stocks from your portfolio:

1. Click on Portfolio and see the stocks appear on the left side of the screen.
2. Hover with your mouse above and to the right of the "Add Symbol +" and you will see the word "edit"
3. Click on "edit" and then click on the "X" next to each stock you would like to delete
4. Click "done" where "edit" used to be

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Thank you for the suggestion. We will consider implementing this feature in the future.