I have long believed that while BTC price is obviously hugely important, the key upstream variable that will determine the long-term success of BTC is the hash rate. In that regard, it is gratifying to see that the hash rate has so far stayed stable, maybe even increased a little, post halving.
https://blockchain.info/charts/hash-rate
Another article that touches on the criticality of the hash rate while looking at the halving via a wider lens
http://www.coindesk.com/bitcoin-halving-2016-what-to-expect-traders-miners/