Day trader tries out ‘demo’ platform, ends up with actual $5 billion position

This day trader also scored a $12 million profit — and is suing a brokerage in a bid to get his hands on itSacré bleu — this trade’s for real?! Day traders can do the darndest things. Harouna Traoré was making trades with Valbury Capital last summer — on a try-out version of the British brokerage’s platform, he thought.

https://finance.yahoo.com/m/554e2a7a...html?.tsrc=rss