I think that what the market really needs is not so much people who will put their money into the projects, but rather those who will actually use the coins and support the projects by action. People can buy and sell coins, leading to big price fluctuations, but that is no good for the market, because this trading value is far from the intrinsic value of the projects themselves. When cryptocurrencies will truly help to implement blockchain into reality, strong investors will be able to support the market as there will be no threat of it being a bubble. For now this seems to be far from truth.