The Biden administration has issued new restrictions on the export of US-developed computer chips that power artificial intelligence (AI) systems, in a final effort to prevent rivals like China from accessing the advanced technology,

Moving to fortify tough technology restrictions on China on its way out the door, US President Joe Biden's administration announced new regulations Monday designed to further restrict artificial intelligence chip exports.

Oil-freight derivatives trading surged to the highest in at least a decade as the Biden administration’s sanctions on Russia continued to propel supertanker rates higher.

Oil prices slipped on Tuesday from the previous day's four-month highs but the market remained supported by continuing focus on the impact of new U.S. sanctions on Russian oil exports to key buyers India and China.

Oil prices slipped at market open on Tuesday but remained near four-month highs as Chinese and Indian buyers sought new suppliers in the wake of the Biden administration’s toughest sanctions yet on Russian oil.