 The CBOE Volatility Index and VIX-related exchange traded funds surged Friday after new data revealed inflation accelerated to a four-decade high. The iPath Series B SP 500 VIX Short Term Futures ETN NYSEArca: VXX increased 2.4 and the ProShares VIX Short-Term Futures ETF NYSEArca: VIXY advanced 6.2 on Friday. 