 The CBOE Volatility Index and VIX-related exchange traded funds spiked Monday as U.S. equities retreated on slowing growth fears in the face of surging crude oil prices and rising inflationary pressures. On Monday, the iPath Series B SP 500 VIX Short Term Futures ETN NYSEArca: VXX increased 5.3, and the ProShares VIX Short-Term Futures ETF NYSEArca: . 