CNBC Daily Open: Tariffs in spotlight — and Trump has a new name for a lake

Sinology | Moment | Getty ImagesHello, this is Justina Lee writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.President Donald Trump's administration is reportedly considering new tariffs on chips, while tech giant Nvidia is increasing support for Chinese artificial intelligence models. Hardening its stance against Iran, the U.S. confirmed that it was not in talks with ‌Tehran, even as diplomatic efforts by other countries were ongoing, raising concerns that the Middle-East conflict could carry on for longer. Worries over the potential expansion of the Russia-Ukraine war have also increased, amid reports that CIA chief John Ratcliffe made a secretive trip to Moscow to warn Russia against attacking NATO.What you need to know todayTariffs are back in the spotlight. The Trump administration is reportedly mulling over new duties on semiconductors, as the artificial intelligence infrastructure build-out race between the U.S. and China continues to intensify. There is growing anxiety among U.S. lawmakers regarding the adoption of Chinese AI models by American companies, as they have made significant capability leaps this year. Meanwhile, tech giant Nvidia, whi...