<http://schema.org/alternativeHeadline>
"Whatever the exact trigger that brought Nasdaq down today, it is likely that a contributing cause is the huge increase in lightning-fast high-frequency computer trading in recent years."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/118110/how-to-avoid-another-nasdaq-meltdown-slow-down-trading/>