WASHINGTON, March 23 (Reuters) - Treasury Secretary Janet Yellen said on Thursday the United States was looking at ways to strengthen its sanctions against Iran, but acknowledged the sanctions had not resulted in the behavioral or policy changes Washington desires from Tehran.

March 23 (Reuters) - The United States and Canada have reached a deal that would allow for the closure of an unofficial border crossing between New York state and the province of Quebec, but the final details still need to be worked out, a Canadian government source familiar with the talks told Reuters.

March 22 (Reuters) - Regeneron Pharmaceuticals Inc said on Wednesday the U.S.

Food and Drug Administration had approved the expanded use of its drug in children aged 5 to 11 years to treat an ultra-rare disease that causes high cholesterol.

The drug, Evkeeza, was approved in February 2021 as an additional treatment with other lipid-lowering therapies for patients aged 12 years and above with homozygous familial hypercholesterolemia (HoFH).

March 27 (Reuters) - European stocks climbed on Monday, as a sense of calm returned to markets following a week of turbulence over concerns about banking sector stability after the collapse of Credit Suisse and two U.S.

The U.S.

action targets former director of the Paraguayan Civil Aviation Authority, Edgar Melgarejo, current member of the Paraguayan Panel for the Discipline of Judges and Prosecutors, Jorge Bogarin, and current Court Clerk Vicente Ferreira, State Department spokesperson Vedant Patel said in a statement.

Concordia Financial Group Ltd was Nikkei's worst-performing financial stock, losing 1.68%. Chiba Bank Ltd lost 1.2% and Shizuoka Financial Group Inc declined 1.06%. Sumitomo Mitsui Financial Group Inc fell 1.01%.

March 23 (Reuters) - The United States has designated one former and two current Paraguayan officials for what Washington said was their involvement in "significant corruption," making the officials and their families ineligible for entry into the North American country.

March 27 (Reuters) - UK equities surged on Monday, helped by a gain in bank stocks on renewed hopes that the turmoil in the sector will be contained following the buyout of Silicon Valley Bank, while Standard Chartered jumped after agreeing to sell its Jordanian business.

"Gold is set to shine through the market chaos with expectations around the Fed cutting rates in 2023, fuelling upside gains," Otunuga said, adding that a potent fundamental spark is needed to conquer the $2,000 psychological level and the March 2022 peak to hit a record high.

The Fed on Wednesday raised interest rates by 25 basis points, as expected, but took a cautious stance on the outlook because of banking sector turmoil even as Fed Chair Jerome Powell kept the door open on further rate rises if necessary.

SVB and Credit Suisse put banks under a microscope on the impact that higher rates would have on certain credits," said Victor Balfour, investment strategist at Rothschild & Co. "Banks have been under an immense amount of pressure.

Toshiba's board, which includes representatives from Paul Singer's Elliott Management and Farallon Capital Management, formally accepted JIP's offer of 4,620 yen a share, Toshiba said in a statement on Thursday, valuing it at 2 trillion yen ($15.2 billion).

March 27 (Reuters) - European stocks rallied in early deals on Monday, as calm descended on markets following a turbulent week for banking shares that was fuelled by worries about stability in the sector after the collapse of Credit Suisse and Silicon Valley Bank.