If the brokerage bosses demanded that a particular algorithm be hurried into the marketplace, the software engineers could do what those airline mechanics at LaGuardia do: shrug and point to the rules.

FORBES: Memo to New SEC Chief: Ask the FAA How to Stop the Next Flash Crash

Lime Brokerage, a technology provider, has raised the prospect of a rogue algorithm going awry.

ECONOMIST: High-frequency trading