01:32 PM EDT, 10/06/2025 (MT Newswires) -- Tech stocks were higher Monday afternoon, with the Technology Select Sector SPDR Fund (XLK) rising 1.4% and the SPDR S&P Semiconductor ETF (XSD) climbing 2.4%.

The Philadelphia Semiconductor index gained 3.9%.

In corporate news, Advanced Micro Devices' ( AMD ) shares surged 27% after the chipmaker agreed to deploy 6 gigawatts of its graphics processing units to support Microsoft ( MSFT )-backed (MSFT) OpenAI's artificial intelligence infrastructure. Microsoft ( MSFT ) shares were up 1.5%

Sanmina ( SANM ) shares jumped 28% after the announcement of the deal between AMD and OpenAI. In May, AMD said it had agreed to sell ZT Systems' US-based data center infrastructure manufacturing business to Sanmina ( SANM ). As part of that deal, Sanmina ( SANM ) became a preferred new product introduction manufacturing partner for AMD's cloud rack and cluster-scale AI products, AMD said at the time.

The US Supreme Court on Monday declined to hear SAP's (SAP) appeal seeking to dismiss an antitrust lawsuit filed by Teradata ( TDC ) , allowing the case to move forward, Reuters reported. SAP shares rose 0.4%, and Teradata ( TDC ) climbed 2.4%.