Market Vectors Gold Miners ETF ( GDX ) blasted 9% to 26.02, snapping an eight-day losing streak.Market Vectors Junior Gold Miners ETF ( GDXJ ) also vaulted 9% to 40.75. As usual the gold bulls and bears butted heads over whether Thursday's action marks the beginning of a new uptrend or just a dead-cat bounce in a long-term downtrend. He has put 5% to 8% of his clients' assets in metals and natural resources as a hedge against inflation that he believes will arise from central banks around the world printing money to stimulate their economies.