Fidelity isn't letting clients buy a fund that bets against volatility because there's too much vola

Fidelity isn't letting its customers bet against volatility because there's so much volatility in the markets.  It's blocking trading of a product that aims to deliver returns that are the inverse of the Volatility Index.  Fidelity isn't letting its customers short volatility via an exchange-traded fund because there's too much volatility in the markets.  The US brokerage announced Friday it would temporarily block customers from buying the ProShares Short VIX Short-Term Futures...