On SpaceX's earnings call on Wednesday, CEO Elon Musk said that his company was committed to buying graphics processing units from Nvidia only.

Elon Musk announced SpaceX will build exclusively on NVIDIA technology. NVIDIA largest company by market cap on August 31 at 81.5% YES.

Nvidia shares are moving higher in extended trading Tuesday after Elon Musk announces that SpaceX will build "exclusively" on Nvidia.