Nvidia stock has rallied 45% since hitting a low in April, adding $1 trillion in market value in about two months.

Nvidia's options for the chips, originally destined for China, but since banned from export there, are limited.

An OECD warning of economic damage from President Trump's tariffs has put investors on watch for progress in US trade talks.

President Trump's trade war is causing the global economy to slow, with growth now heading for its weakest pace since the ...