GHash.IO won the last FIVE in a row

[OROBTC]

...

As of 7:14 PM US ET, they had won the last five blocks.   As others have said, there is a probability curve here...

GHash.IO and Discus Fish combined at 51% total (I know they are different pools), many of the new entrants (KnC, AntPool, CloudHashing) are still claiming slices of blockchain.info's mining pool stats.