Along with DIA, ETF investors can gain exposure to mega-capitalization stocks through fund options like the iShares S&P 100 ETF (NYSEArca: OEF) or Vanguard Mega Cap ETF (NYSEArca: MGC). OEF is up 3.8% year-to-date while MGC rose 5.3%.

However, there are still some potential pitfalls. Specifically, rising oil prices could cut back on consumer spending. The United States Oil Fund (NYSEArca: USO) is up 10.7% year-to-date, with WTI crude oil prices jumping to $106.7 per barrel on the escalating violence in Iraq. [Chart of the Day: Unloved Oil]

Additionally, a quickly depreciating euro could also weigh on multinational’s revenue out of the Eurozone when converted back to the USD. The CurrencyShares Euro Currency Trust (NYSEArca: FXE) has dipped 1.6% year-to-date. [Investors Piled Into These ETFs Ahead of ECB Meeting]

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Max Chen contributed to this article.

For full disclosure: Tom Lydon’s clients own shares of SPY and QQQ.