what are the best etfs for 2019?
['Aberdeen Standard Physical Palladium Shares ETF (PALL) – up 47.06% YTD. ... ', 'iShares PHLX Semiconductor ETF (SOXX) – up 45.89% YTD. ... ', 'Invesco WilderHill Clean Energy ETF (PBW) – up 45.29% YTD. ... ', 'Pacer Benchmark Industrial Real Estate SCTR ETF (INDS) – up 44.97% YTD. ... ', 'First Trust Nasdaq Semiconductor ETF (FTXL) – up 44.75% YTD.']