These were the worst performing ETFs of the week.
BOIL — ProShares Ultra Bloomberg Natural Gas -31.40%
FNGD — MicroSectors FANG+ Index -3X Inverse Leveraged ETN -23.02%
NRGU — MicroSectors U.S. Big Oil Index 3X Leveraged ETN -22.33%
YINN — Direxion Daily FTSE China Bull 3X Shares -19.04%
GDXU — MicroSectors Gold Miners 3X Leveraged ETN -18.57%