Vol uncertainty reigns as illiquidity takes hold
August 31, 2015 at 14:47 PM EDT
NEW YORK, Aug 31 (IFR) - The VIX has become a market convention in recent years as Wall Street's so-called "fear gauge". But after a tumultuous week of whipsawing equity markets, traders are grappling with increasing uncertainty about what the fear gauge itself is going to do.