As the Bank of England investigates what caused the sudden "flash crash" of Sterling on Friday, plunging 6% in value in two minutes, many are pointing fingers to algorithmic traders.
These so-called robotic automated systems have been on the rise - and now there are concerns surrounding oversight, and how to stop these crashes happening again.
Matt Cox spoke to Ken Odeluga, a Market Analyst at City Index to find out more about algorithmic traders.
