 The CBOE Volatility Index and VIX-related exchange traded funds jumped on Friday as poor consumer sentiment weighed on the outlook for the pace of the economic recovery. Among the best-performing non-leveraged ETFs of Friday, the iPath Series B SP 500 VIX Short Term Futures ETN NYSEArca: VXX increased 6.8 and the ProShares VIX Short-Term Futures ETF . 