To modify your portfolio, please follow these steps:

• Login.
• Open "My Profiles" by clicking the corresponding link on the main menu.
• Select the profile you want to modify by clicking its title.
• From the "Options" menu, click the "Modify Portfolio" menu item.
• Click the "modify" link on the sample you wish to change.
• Follow the instructions on the "Modify Sample" page.
• Save your changes.
• Repeat the previous steps for each sample you wish to modify.