Bitcoin isn't moving very much just now. Up a tiny bit and then down a tiny bit. Would this be very boring for people. This might not encourage more people to buy. I think the only way people buy is if it's going up and down more. Because then at least they will have half a chance of making a good profit.
In my opinion, any profit is a good profit. Big spikes of price would only help those who already have bitcoins and intend to sell them for a good profit. The ones that are buying now must understand that money wo't come overnight because of a price growth (altough it can happen)