As Nanex's Eric Hunsader notes "there are numerous mini-flash-crashes in ETFs this morning," as market structure comes under significant pressure. Nowhere is that more obvious than in the VIX complex with VXX spiking above last Monday's highs and XIV collapsing... VXX (VIX ETF) spikes above last Monday's highs... Underlying components very weak... *LESS THAN 1% OF S&P 500 STOCKS RISING IN EARLY TRADING