More serious posts should appear here in the next few days – a lot to do these days with my students, my book company and a 5-weeks child –, but in the meantime, last night I have found the best picture ever describing what were (and still are) my feelings about financial markets:
The irony here is that a matching engine server (the core of exchanges/markets) has the shape of a monolith – but horizontally, and smaller.
Sniper In Mahwah & friends 