The stock market has gone up and if you are stock picking, that's fine, you may do a bit better than the market. But if you want to play in another game where you can get rapid increases of value and so on and so forth, this apparently has become the new parlour game, to invest in these companies and many their cases, the private equity that has been piling in onto of the venture capital is creating the unicorn, in other words the company with the $1 billion valuation.