Tech stocks were lower in Monday afternoon trading, with the Technology Select Sector SPDR Fund (XLK) shedding 0.1% and the SPDR S&P Semiconductor ETF (XSD) falling 1.6%.

The Philadelphia Semiconductor index shed 0.5%.

In corporate news, Advanced Micro Devices (AMD) agreed to sell ZT Systems' data center infrastructure manufacturing business to Sanmina (SANM) in a cash-and-stock deal that makes the US-based contract manufacturer a preferred partner of AMD for building AI solutions. AMD shares were down 2.1% and Sanmina was falling 5.5%.

Apple (AAPL) is facing scrutiny from the White House and congressional officials over its plan to use Alibaba's (BABA) AI technology on iPhones in China, The New York Times reported Saturday. Apple shares were shedding 1.3%, and Alibaba was down 0.9%.

Salesforce (CRM) will make its Slack application available to federal agencies at a discount of up to 90% through November, Bloomberg reported. Salesforce shares were decreasing 0.7%.