Finance & economics | In rust we trust

Donald Trump’s Super Bowl tariffs are an act of self-harm

Duties on aluminium and steel will throttle American industry and fragment global markets

A worker welds a stainless steel tank at a steel manufacturing facility in Mexico City
Photograph: Getty Images
|4 min read

Last year dozens of countries proposed or introduced new tariffs on steel imports. Most aimed the measures at China, which they accused of flooding international markets with cheap metal. On February 9th Donald Trump took a different approach: he picked up a scattergun instead of a sniper’s rifle. As the president flew to the Super Bowl, he told reporters that he would announce new tariffs of 25% on aluminium and steel imports. On February 10th the levies duly arrived.

Explore more

This article appeared in the Finance & economics section of the print edition under the headline “Burning issue”

From the February 15th 2025 edition

Discover stories from this section and more in the list of contents

Explore the edition
illustration of a map of Africa with a large pixelated cursor pointing at Zambia, which is highlighted in yellow

Want to be a good explorer? Study economics

The battle to reduce risk has shaped centuries of ventures

Illustration of a hand pushing a jagged black arrow upward against a red background. The Jane Street logo appears to be rolling down the arrow in the opposite direction.

Jane Street is chucked out of India. Other firms should be nervous

Around the world, marketmakers now face extra scrutiny


A man looks at an advertisement for the Nippon Individual Savings Account (NISA) displayed at a branch of Nomura Securities Co., a unit of Nomura Holdings Inc., in the Kichijoji area of Tokyo, Japan.

Japan has been hit by investing fever

Will old folk catch the bug?


Don’t invest through the rearview mirror

Markets are supposed to look forward; plenty of investors look back instead

Trump’s trade deals try a creative way to hobble China

To appease the world’s biggest market, countries must anger the world’s biggest trader

The great dealmaker is conspicuously short of trade deals

Donald Trump issues threats—and grants deadline extensions