Volatility product iPath Series B S&P 500 VIX Short-Term Futures ETN VXX surged 12% last week as a spike in inflation data bolstered the bets over one more Fed rate hike this year. The core inflation number, barring food and energy prices, matched economists’ expectations of an increase of 0.3% in the month and 4.1% on a year-over-year basis. Leveraged Volatility 2x Long VIX Futures ETF UVIX – Up 13.1% Last week was roiled by geopolitical concerns and worries over the Fed’s subsequent actions.