Their volume was much bigger.  http://www.bitcoincharts.com/markets/bitstampUSD_trades.html

I guess they didn't spend much (didn't see any improvements or anything new). So I think they have a big reserve in coins and $. The problem can be future volume - will people still trade there. I think everything will be OK, but they might lose some customers.

PS.: They each own for 23 mil€ (43. and 44. on chart)  http://www.siol.net/novice/gospodarstvo/2014/11/lestvica_najbogatejsih_slovencev.aspx