On my view, I think the fact that circle has bought poloniex, led to an increase in Bitcoin value.
This is the best ever decision performed by circle. As many people join cryptocurrencies, many others are eager to make various transactions. So, circle will attract thousands and millions of people since the whole world wish to join cryptocurrencies.
Let's analyse more as I watch my video's on this channel.
Feel free to contradict me or add up if I'm mistaken