Looks like $10 bonus is pulled(?).
On the referral code, log and click on refer friend button. At the body of email, you will find your referral link; you don't need to send the email.
FYI, it's doesn't to tell who signed up but you do receive an email for referral. Thanks, Miles Man.
Lastly, you have option to get cashback rather than invest in its mutual fund.
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