How to stop a global trade slide

A global trade slump has pushed prices of precious metals down worldwide and the Chinese yuan to a record low against the dollar.

Read MoreWhat do you think?

Is the global economy in a bubble?

Will the U.S. economy be stronger than expected?

Will it be stronger or weaker than expected after this week?

Read MoreThe S&P 500 and the Nasdaq composite are both up nearly 1 percent and 0.5 percent.

Gold and silver both fell 0.2 percent to $1,939.30 an ounce.

Gold is down nearly 15 percent this year, and silver is down more than 16 percent.

Meanwhile, gold prices are up nearly 9 percent since the beginning of the year.