Fear of missing out. These risky bets fit into the long-shot side of part of a balanced portfolio, and if they do make it, those who have backed them are positi

Fear of missing out. These risky bets fit into the long-shot side of part of a balanced portfolio, and if they do make it, those who have backed them are positioned to make good money. When the appetite of VCs cools, these get dumped on the public stock markets, where the cycle repeats once more.