High frequency trading uses computers to conduct trades in fractions of a second . It can cause individual stock prices to spike and dip close to zero , says Andrew Johnson . And just as faster predators in the animal kingdom catch more prey and will be less vulnerable to other predators , faster trading companies will emerge at the expense of slower ones . These ` ` sub - second tsunamis '' go unnoticed and are over in the blink of an eye . We need a financial ` ` air traffic control ' '' to manage this , says Johnson .
High frequency trading uses computers to conduct trades in fractions of a second . It can cause individual stock prices to spike and dip close to zero , says Andrew Johnson . These ` ` sub - second tsunamis '' go unnoticed and are over in the blink of an eye . We need a financial ` ` air traffic control ' '' to manage this , says Johnson .