Iran’s president says Tehran has rejected direct negotiations with the United States in response to a letter from President Donald Trump over its rapidly advancing nuclear program.

Oil prices held steady on Monday as investors adopted a cautious, wait-and-see stance after U.S. President Donald Trump threatened to impose secondary tariffs on buyers of Russian oil and warned Iran of possible military action if it did not agree to a deal over its nuclear program.

Anticipation and concern is growing for the major new tariffs President Donald Trump says he’ll announce by mid-week. Uncertainty still surrounds Trump’s trade plans, which he has announced and then reversed in the past.

The Big Weekend Show' co-hosts discuss President Donald Trump's looming April 2 deadline for tariffs and his remarks about Russia and Iran.

Mexican Foreign Minister Juan Ramon de la Fuente spoke with the U.S. Deputy Secretary of State Christopher Landau on Wednesday in a call focused on strengthening bilateral relations, Mexico's foreign ministry said.