High frequency and electronic trading is proving to be a major problem for regulators that want to better control the practice, which accounts for 70 percent of trading each day, but without restricting profits in the City and on Wall Street.

Hunsader told CNBC that regulators should do something fast to better control such situations, as this type of algorithm could have had a negative impact on the stock markets if big news had broken during the week.

It has been a turbulent year so far for technology in the financial markets, where a number of firms and exchanges have suffered technical glitches.

Most notably that caused losses of about £281 million and during the much anticipated Facebook IPO, which resulted in market making firms incurring hundreds of millions of dollars in losses.