What investments to make if/when oil prices drop?

If/When oil prices drop, what other investments benefit from this and how can one position themself explote this situation for financial benefit?What investments to make if/when oil prices drop?
If/when oil prices drop, buy oil stocks. The ';Old Days'; of cheap oil are gone.





The airlines and trucking industry benefit greatly from cheaper oil, as do all companies in transportation. Maybe just buy the Transportation ETF.What investments to make if/when oil prices drop?
Oil Companies.





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gold silver etc
You can invest in companies that use oil and gas as raw materials, such as Dow Chemical.