“But I really like that industry, because regardless of where prices are, we still need to get oil and gas to utilities, LNG terminals and other destinations,” O’Neil added.

The oil services sub-sector has been particularly hard hit during the selling and have been quick to recover off strengthening crude oil prices.

ETF investors who are interested gaining exposure to these two market segments have a number of broad sector-specific ETF options to choose from. For financial sector exposure, investors an take a look at options like the Fidelity MSCI Financials Index ETF (NYSEArca: FNCL), Financial Select Sector SPDR (NYSEArca: XLF), iShares U.S. Financials ETF (NYSEArca: IYF) and Vanguard Financials ETF (NYSEArca: VFH).

For broad energy exposure, investors can utilize something like the Fidelity MSCI Energy Index ETF (NYSEArca: FENY). Energy Select Sector SPDR (NYSEArca: XLE), Vanguard Energy ETF (NYSEArca: VDE) and iShares U.S. Energy ETF (NYSEArca: IYE).

For more information on market sectors, visit our sector ETFs category.