It takes sellers to hold the price down. Certain people are sniping sell orders in large blocks every once in a while.. that's how my orders for 333 and 320 sats got filled. People claim manipulation but nobody is putting a gun to people's heads forcing them to sell at these levels. Once these people stop selling, there will be room to move the bid higher. Thanks for the somewhat cheap xtrabytes, by the way.
NEM/XEM is already a pretty secure blockchain, but from what I've seen this is probably more secure yet, though it's questionable whether that security is needed, but nonetheless NEM is trading at a little bit higher of a marketcap, so there's room in one's portfolio for both coins. :\
On another note, I think it's smart not to release the full source code of a coin... if a coin is really good, like NEM, they'd be better off considering the code as part of their intellectual property, or a "trade secret" and give just enough code out to let people know it's safe to use, but outside of that what good does it do releasing the full source code which lets people use it and make clone coins? Ripple went closed source and I think they were smart to do so, from a business and investment standpoint.