My card was charged twice by Vistro Associate (vta-world.com) on the same day. I had to dispute it with my bank. Vistro Associate (vta-world.com) then froze my account and said I had a negative balance because of the chargeback. They created the problem and then punished me for it.
Pros: Multi-currency support|Multiple order types|Real-time alerts|Great customer service
Cons: Minimum deposit could be lower