New Trump tariffs put Brazil in crosshairs ahead of August 1 deadline

US President Donald Trump has unveiled a sweeping new round of tariffs targeting eight countries, with Brazil hit the hardest. The move, which comes despite a US trade surplus with the South American giant, raises economic and political tensions as the August 1 implementation date looms. Meanwhile in corporate news, Nvidia has become the first publicly traded company to surpass a $4 trillion valuation, overtaking the size of France's entire GDP.