Did You Feel 7 Milliseconds Slip Away Just Then?

http://www.motherjones.com/kevin-drum/2013/09/somebody-stole-7-milliseconds-federal-reserve

I'm guessing they put huge bets before the news was to be released in some kind of anticipation.  If they were wrong, they could still reverse direction and make some money back.  Otherwise, they're ahead of the curve and make the money.  Well, either that or good old insider trading.