Quartz watches use very high-frequency oscillations of a crystal, which can be tuned with extreme precision to produce regular signals.

ECONOMIST: A luxury watchmaker is putting silicon in its timepieces

High-frequency trading is very lucrative, as this trial made clear.

FORBES: Ex-Goldman Programmer Convicted (+ the silver lining)

Most high-frequency trading is fundamentally a form of market making with very tight inventory control and very short-lived positions.

FORBES: High Frequency Traders And Current Market Structures Penalize Investors