<ul><li>Leading chipmakers Nvidia and AMD warned of rising costs and demand uncertainty due to U.S.-China trade tensions.</li><li>Nvidia disclosed a $5.5 billion charge related to export rules, leading to a drop of over 6% in its shares.</li><li>AMD stated that new export controls on its MI308 chips could result in an $800 million impact, leading to a drop of over 6% in its shares.</li><li>The broader chipmaking sector, including ASML, also experienced losses, contributing to the tech sector downturn.</li></ul>

Chip stocks slide as Nvidia & AMD warn of China export-related costs

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