The dollar took a step back as a result of weaker-than-expected retail sales data last week, propping up leveraged gold miner funds and the Direxion Daily Jr Gold Miners Bull 3X ETF (JNUG) and the Direxion Daily Gold Miners Bull 3X ETF (NUGT). Inflation Fears Push 'JNUG' and 'NUGT' Higher Investors may be re-developing an appetite for gold again as a safe haven play. NUGT is up 11% the past month, and seeks daily investment results equal to 200% of the daily performance of the NYSE Arca Gold Miners Index.