I make 50% profit weekly from my investment with Arbitrage Investment, they charge a 10% commission leaving you with 40% profit every week. You can end investment at anytime and get a return of investment(ROI), been investing with them for over 5 months. They run their Arbitrage investment program on twitter.
You can contact them via twitter @Arbitrage_Funds or via whatsapp +1(913)-229-5145. No website because they work towards offering a long-lasting and satisfactory service unlike scam sites popping all over the internet.