2018 was a volatile year for the market, characterized by trade tensions and rising interest rates. The "best" ETFs that year generally fell into three categories:

Strong M&A (mergers and acquisitions) activity kept this fund in the green while other sectors slumped.

Because 2018 saw the S&P 500 end the year with a slight loss, some of the "best" ETFs were actually those that preserved capital. iShares Short Treasury Bond ETF (SHV)

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