The presidential election is closer than anyone imagined it would be -- even compared to just a few weeks ago. A Clinton victory still seems most likely, but it's not a sure thing. And markets are volatile because of the uncertainty.

Until the results come in on Tuesday evening, investors can look at each candidate's broad policies towards different sectors to see where to invest ... and where to avoid investing.

1. If Hillary Clinton Wins

These sectors could benefit if Clinton becomes president:

  • Renewable energy: Clinton supports the Paris climate agreement and the Clean Power Plan, which both aim to reduce the U.S.'s greenhouse gas emissions. More U.S. involvement in the global renewable energy industry would only benefit the sector. One way to invest in the global renewable energy market is to use the VanEck Vectors Global Alternative Energy ETF  (GEX) .

  • Health care: Clinton promises to extend the reach of the Affordable Care Act. This would enable more Americans to afford health insurance, and her plan would expand insurance coverage. You can invest in health care stocks found in the S&P 500 by owning the Health Care Select Sector SPDR Fund  (XLV) . It's the biggest and most traded U.S. health care ETF.

  • Mexico: Mexico's economy has been struggling. And the Mexican peso has been one of the worst-performing major currencies this year. This is in no small part due to the prospect of a President Trump following through on his pledge to renegotiate North American Free Trade Agreement. But if Clinton wins, this should change. The iShares MSCI Mexico Capped ETF  (EWW) is a good way to play the Mexican equity market.

     

But financials could struggle under a Clinton presidency. She has said that a "risk fee" would be imposed on the largest financial institutions if she becomes president. She has also promised to appoint officials to carry out "unwavering oversight" of Wall Street.

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