Could it be some accounts compromised? 


Cloak
2014-08-03 16:13:29   SELL   0.00161119   11196.85648015   18.04026319


MYC
2014-08-03 16:14:03   BUY   0.00000120   60387626.50833333   72.46515181


Cloak Sold
114.7 BTC

MYC Bought
110.5 BTC

Be careful, guys!