Blockchain explorer shows that almost all of the last several hundreds of blocks contain only one transaction (+coinbase).
This transaction has the same input and output addresses (somebody is sending coins back to himself, could this be related to PoS?). There are almost no normal transactions.
That's how Proof of Stake works, it returns your original coin + interest + fees (if applicable) split into 2 new transactions at each cycle. 1 transaction becomes 2, becomes 4, becomes 8. etc. etc. etc.
This is what keeps transactions moving in a Proof Of Stake coin.