$10,000 (which is more than twice the price of bitcoin currently) by December might be quite a stretch, but it's very possible if bitcoin publicity and demand continues to rice steadily at the same time, without so much FUD(like the recent China ICO and exchange bans) affecting the prices. Of course bitcoin won't go straight up though, always expect dips and crashes to happen especially if the prices go up too high and too fast.

Considering bitcoin's hard cap on 21 million though, it's always a good time to invest in bitcoin, as at some time after a good certain number of years bitcoins being minted will go to a halt.