 The CBOE Volatility Index and VIX-related exchange traded funds climbed on Monday as U.S. equities dipped into bear market territory and more began to warn of an economic recession. The iPath Series B SP 500 VIX Short Term Futures ETN NYSEArca: VXX increased 9.8 and the ProShares VIX Short-Term Futures ETF NYSEArca: VIXY advanced 11.0 on . 