Name the "mother of all commodities" whose price on the U. S. stock market temporarily became negative (-$37.63) earlier this week. *

The correct answer to this open question is the following.

Name the "mother of all commodities" whose price on the U.S. stock market temporarily became negative (-$37.63) earlier this week. The name is crude oil.

Oil is considered the "mother of all commodities" because the world revolves about oil. Let's remember the problems that affected the price of oil a month ago when the Arab countries could not reach an agreement with Russia regarding the production of oil. This incident affected worldwide. And yes, due to the Coronavirus pandemics and the economic impact in the world, the price on the U.S. stock market temporarily became negative (-$37.63) earlier this week.

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