Treasury Secretary Scott Bessent becomes the tip of the spear in the war on Iran and the bond vigilantes as the U.S. readies more financial firepower

"And any nation that serves as a financial artery of a withering regime should expect to share in its isolation."

U.S. Treasury Secretary Scott Bessent on Monday announced an expansion of secondary sanctions it can impose on entities and countries that maintain business ties with Iran around the world as Washington significantly ratchets up economic pressure on Tehran with the war nearing its six-month mark.

Watch live coverage as Secretary Scott Bessent holds a press conference detailing further sanctions against Iran.

The Trump administration calls this "economic D-Day" on Iran. Iran vows to respond to fresh sanctions in a "seismic manner."

"Any remaining tie to Tehran will hasten the economic ostracism of countries and entities, whether that tie be purposefully constructed or wilfully ignored."

Bessent said Tehran had relied on the expectation that Iranian retaliation was certain while US enforcement could be negotiated.

New analysis shows cost of reinstating system almost half that touted by the coalition.

U.S. Dollar Falls, Treasury Yields Edge Lower  WSJ

Long-term US Treasury yields climbed back above where they stood before Wednesday's buyback announcement, wiping out the relief that move had briefly delivered, and prompting US Treasury Secretary Scott Bessent to signal that Washington is ready to intervene even more aggressively.

Concerns over the Treasury Department's debt repurchase program continue to weigh on markets.

Global stocks set for biggest weekly fall since mid-July as bond yields, oil stay high  Reuters

U.S. bond yields are rarely a burning issue with the general public. But that’s changed this week as a spike in yields has hit the front pages and TV newscasts. Yields on 30-year U.S. Treasury bonds hit their highest point in almost two decades on Tuesday. The rise prompted Treasury Secretary Scott Bessent to step in w

Treasury Secretary Scott Bessent’s plan to calm markets is being short-circuited.