Joe Saluzzi, Themis Trading Co-Founder, discusses whether investors' money is safe one-year after the May 5 "flash crash."
These hotshots aren't household names. Until recently, they've shunned the limelight.
A small coterie of professionals exploited the Nasdaq's automated trading system for retail investors and turned it into a complex computerized network.
The Flash Crash of May 2010 illustrated how much the stock market has changed in recent years, exposing a new generation of players and trading systems. Here's a glossary of keywords and definitions.