The history of tariffs dates back to past White House administrations. (Scripps News)

President Donald Trump says he was reevaluating plans to double steel and aluminum tariffs on Canada to 50% after Ontario announced it would suspend a 25% surcharge on electricity sent to the US.

President Donald Trump said he was increasing the steel and aluminum tariff on Canadian goods to 50% to retaliate against Ontario's move to place a levy on electricity imported from the US. Bloomberg's Richard Bourke and Joe Deaux react.

Former US Treasury Secretary and Bloomberg Wall Street Week contributor Lawrence H. Summers talks about the risk of a recession in the US this year, President Donald Trump's trade war and the impact on the economy and the manufacturing...

President Donald Trump said he was increasing the steel and aluminum tariff on Canadian goods to 50% to retaliate against Ontario's move to place a levy on electricity sent to the US. Trump says the tariffs will go into effect on the...

Wall Street Bull John Stoltzfus of Oppenheimer Asset Management joins "Bloomberg Open Interest" to discuss the state of financial markets as President Donald Trump ramps up the US trade war against Canada, rattling stocks as the S&P 500...

John Ketchum, CEO of NextEra talks about global energy demand outlook and impact of tariffs with Bloomberg's Alix Steel at CERAWeek in Houston.

Seema Shah, chief global strategist at Principal Asset Management, discusses the Trump administration's tariff policies and why it's getting harder to analyze their potential impact on the economy and markets. She speaks on Bloomberg...

Yifan Hu of UBS Global Wealth Management says the base scenario is for the US to impose "effective tariffs" up to 30% on China this year. She tells Bloomberg Television that the levies will be asymmetric, with Washington allowing...

Billionaire Ross Perot Jr. said President Donald Trump's tariff threats are emerging as a "big concern" and forcing business leaders to think twice before approving investments. The billionaire Texas real estate developer and longtime...

President Donald Trump orders a 25% tariff on steel and aluminum imports, effective March 12, to protect US industries and crack down on countries circumventing existing duties. (Corrects date when tariffs come into effect.)

Jennifer Hillman, co-director of the Center on Inclusive Trade and Development tells Bloomberg Television that Donald Trump's tariffs on steel and aluminum are "not legal." Hillman, who oversaw trade litigation at the World Trade...

Erica York, Tax Foundation Vice President of Federal Tax Policy, shares her thoughts on the impact steel and aluminum tariffs would have and states these tariffs would not help slow down the US trade deficit. She speaks on Bloomberg's...

Comprehensive cross-platform coverage of the U.S. market close on Bloomberg Television, Bloomberg Radio, and YouTube with Alix Steel, Scarlet Fu, Carol Massar and Tim Stenovec.

President Trump is threatening 25% tariffs on imports of steel and aluminum, in a bid to boost US production. But levies can have unintended consequences, as Alex Morgan explains.

Francisco Blanch, head of commodities and derivatives research at BofA Securities, examines the effects of tariffs on the commodities market as President Donald Trump plans to impose 25% tariffs on all imports of steel and aluminum into...

President Donald Trump plans to impose 25% tariffs on all imports of steel and aluminum into the US, broadening his trade salvo and threatening ties with some of the country's top trading partners. speaking to reporters Sunday on Air...

Anna Edwards, Guy Johnson, Kriti Gupta and Ven Ram break down today's key themes for analysts and investors on "Bloomberg: The Opening Trade."

President Donald Trump, speaking to reporters Sunday on Air Force One, said he would announce new tariffs on steel and aluminum from all countries. This follows his move to impose a 10% tariff on Chinese goods.

President Trump plans to impose 25% tariffs on imports from Canada and Mexico, citing trade deficits, illegal immigration, and drug concerns, risking consumer price hikes. (Scripps News)

President Donald Trump says he plans to impose tariffs on a wide range of imports, including oil, metals, pharmaceuticals and chips, in the coming months.

US President Donald Trump says he is considering potential tariffs on semiconductors, pharmaceuticals and steel at the House Republican Conference at Trump National Doral in Miami, Florida.

Norsk Hydro ASA will halt funding for its battery and green hydrogen businesses and phase them out over time due to challenging market conditions.  CEO Eivind Kallevik tells Bloomberg's Tom Mackenzie what this means for the company's...

President Biden's visit to Pittsburgh marks the second of three stops on a swing through the key battleground state of Pennsylvania this week.