Microsoft, Amazon, Nvidia Urge Trump to Revise Chip Export Curbs

Tech companies with a combined market valuation of more than $8 trillion are urging the Trump administration to rethink chip export restrictions that they fear will push US allies into the arms of Chinese competitors.

In rapid succession on Thursday, Microsoft Corp.’s president and Amazon.com Inc.’s chief executive officer both said the Trump team should reconsider Biden-era regulations that would cap the export of artificial intelligence semiconductors to nations including Israel, Saudi Arabia and the United Arab Emirates. Their entreaty echoed a similar call from Nvidia Corp.’s CEO.

At a time when many tech companies have been ...