> NYSE: Who even knows? Semi-wild guess, based on [1] indicating yesterday's volume was 3.1bn, and knowing that trading volume on exchanges typically has big s

> NYSE: Who even knows? Semi-wild guess, based on [1] indicating yesterday's volume was 3.1bn, and knowing that trading volume on exchanges typically has big spikes near the open and close, they are probably able to comfortably handle upwards of a quarter million transactions per second. Also worth noting that the world's banking sector does a lot more than just processing transactions. [1]: http://www.wsj.com/mdc/public/page/2_3021-tradingdiary2.html http://www.wsj.com/mdc/public/page/2_3021-tradingdiary2.html