The United States doubled tariffs on steel and aluminium imports on Wednesday, activating a hike in the duties on the imported metals to 50% from the 25% rate introduced in March. The day also marks the Trump administration’s deadline for trading partners to submit their “best offers” to avoid further steep import duties set to take effect in early July.

U.S. President Donald Trump hiked nearly all of his tariffs on steel and aluminum imports to a punishing 50% on Wednesday in a move that’s set to hammer businesses from automakers to home builders, and likely push up prices for consumers even further.

US tariffs on steel and aluminum doubled to 50% as of 12:01 am ET on Wednesday, a move cheered by the beleaguered US steel industry but decried by heavy users of the metals, from car makers to can manufacturers.

The ruling, handed down late on Monday by U.S. District Judge Jacqueline Corley in San Francisco, did not delve into the merits of California's lawsuit. Now, three separate U.S. a

President Donald Trump’s sweeping tariff plan would cut deficits by $2.8 trillion over a 10-year period while shrinking the economy, raising the inflation rate and reducing the purchasing power of hou