Question Summary:
If I invested into a haram scheme and initially lost some capital but later made some profit, will it be permissible to reclaim the original investment?

Question Detail:

Three years before I invested in Online Forex Trading broker to intended to make profit from. Recently I read a lot that forex trading is haram in Islam. I agreed that my account has a mrgin i.e 1:50 but no rollover because it's a islamic account. I trade based on my technical and fundamental anlysis such as various economic datas and candle stick charts. I know that I'm not gambling but In my concious saying it has riba.
Now my question is, If it is haram than what I'll do my investment and profit? Let me tell you my account history. I invested in this broker with a $5000 and within 6 month I lost nearly 60% of the account. Then I regain all my losses and bring this account to more than $13000. I didn't withdraw any money because I planned to bring it some big amount which is all traders say a Millionnair.
After reading this all I'm feeling bad. Please advice me what to do with this money? Please answer me for the following questions.

1. Can I with draw all money and take my initail deposit and give the rest of the money to the poor?
2. Or I should take only the 40% of my initial deposit?
3. Is the recovery of the lost 60% money consider as riba?

Please help me.

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
We apologize for the much belated response. Your answer regarding your query is mentioned hereunder: 
Trading in Forex is prohibited.^[1] In your situation, you may claim only 40%, which was the balance after your 60% loss. The remaining balance (60%) will need to be given in sadaqah to the poor and needy.^[2]
And Allah Ta’āla Knows Best
AbdulMannan Nizami
Student Darul Iftaa
Chicago, IL, USA
Checked and Approved by,
Mufti Ebrahim Desai.
www.daruliftaa.net