i think yes the price of bitcoin is really going to increase in near future, and it can really cross even 700 USD at the end of October.
I agree that bitcoin price is in the uptrend now. After weeks of correction and without bad press about bitcoin, the price of bitcoin will slowly catch up before the bitfinex hack. People are getting to trust that exchange again which will be good in the bitcoin economy. Another reason is that more people are getting involve in bitcoin every day.
Remember that a rise is almost always accompanied by correction.
IMO, I think this rise is related to the CoinDesk feature article I've read that Ethereum is gonna have another fork again.