President Donald Trump touted a "blockbuster agreement" between U.S. Steel and Japanese company Nippon Steel that he said would keep the U.S. steelmaker in Pittsburgh.

Gary Mayor Eddie Melton has been supportive of a deal between Nippon and U.S. Steel for months, citing how it would benefit Gary Works. In August, it was announced that Nippon Steel would invest $300 million into the local facility. A Nippon executive later said the company would invest $1 billion into Gary Works.

A Canadian industry group says Trump's move to increase tariffs on steel “essentially closes the US market to our domestic industry for half of its production.”

Stocks of Brazilian steel companies fell on Wednesday after the government said it would renew for 12 months a system meant to protect the national steel industry, but that steelmakers have said is ineffective.

Shares of Brazilian steel companies fell Wednesday after the government decided to renew 25% tariffs initially imposed last year on 19 steel products and extending the duties to four more, while also maintaining a quota system on the volume of steel imports.

President Donald Trump was in Pittsburgh on Friday evening speaking to U.S. Steel workers at the U.S, Steel facility in West Mifflin about the deal between Nipp