"A single mysterious computer program that placed orders — and then subsequently canceled them — made..."

"A single mysterious computer program that placed orders — and then subsequently canceled them — made...": “A single mysterious computer program that placed orders — and then subsequently canceled them — made up 4 percent of all quote traffic in the U.S. stock market last week, according to the top tracker of high-frequency trading activity. The motive of the algorithm is still unclear.”

-

Mysterious Algorithm Was 4% of Trading Activity Last Week - CNBC.com - US Business News - CNBC
Also, expect to read sentences like “the motive of the algorithm is still unclear” a lot in the coming years.

(via mwfrost)