Jim Zarroli Jim Zarroli is a business reporter for NPR News, based at NPR's New York bureau.
Jim Zarroli 2010
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Jim Zarroli

The Nasdaq composite index, which includes many tech stocks, has lost nearly 7 percent since March 12. Timothy A. Clary/AFP/Getty Images hide caption

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Timothy A. Clary/AFP/Getty Images

Tech Stocks Have Lost Some Of Their Luster, Dragging The Stock Market Lower

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A container ship waits to be unloaded at the Port of Oakland in California. President Trump says the trade deficit that the U.S. runs with other nations must be slashed for the well-being of the country. Ben Margot/AP hide caption

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Ben Margot/AP

America Has A Large Trade Deficit, But Economists Aren't Too Concerned About It

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The floor of the New York Stock Exchange on Thursday. The Dow Jones industrial average tumbled after the Trump administration announced plans to impose tariffs on Chinese imports. Brendan McDermid/Reuters hide caption

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Brendan McDermid/Reuters

President Donald Trump chats with Chinese President Xi Jinping during a welcome ceremony in Beijing on Nov. 9. The Trump administration is expected to release the results of an investigation into Chinese trade practices, a move that could lead to sanctions. Andy Wong/AP hide caption

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Andy Wong/AP

Trump Prepares To Get Tougher On China Over Trade

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The Navy's new USS Little Rock arrives at the harbor in Buffalo, N.Y., last December. In imposing tariffs on steel and aluminum imports, President Trump said the U.S. military should be as self-sufficient as possible. Carolyn Thompson/AP hide caption

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Carolyn Thompson/AP

Trump Says Tariffs Are Needed To Protect Vital Industries, But Are They?

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China has built one of the world's most formidable steel-producing sectors over the years. Above, a Chinese worker cuts steel in Qingdao in eastern Shandong province in January. AFP/Getty Images hide caption

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AFP/Getty Images

China Churns Out Half The World's Steel, And Other Steelmakers Feel Pinched

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Trump Policies Put A Strain On U.S. Relations With Canada

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New Round Of NAFTA Talks Is Underway In Mexico

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A worker builds an aircraft engine at Honeywell Aerospace in Phoenix in 2016. Aerospace is among the manufacturing sectors that could be affected by import tariffs on steel and aluminum. Alwyn Scott/Reuters hide caption

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Alwyn Scott/Reuters

Trump Trade Action Could Boost Steel, Aluminum Manufacturers, Hurt Other Industries

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Despite Tumultuous Stock Market, Some Economists Say Inflation Threat Is Exaggerated

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Treasury Secretary Steve Mnuchin Says He's Not Worried About Volatile Stock Market

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Sorting Out What The U.S. Markets' Volatile Start May Mean

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As U.S. Stock Market Opens, Uncertainty Reigns

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The Dow Jones industrial average's record 1,175-point single-day plunge Monday made for a volatile day of trading on the New York Stock Exchange. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images