03:29 PM EDT, 07/21/2025 (MT Newswires) -- Tech stocks gained late Monday afternoon with the Technology Select Sector SPDR Fund (XLK) climbed 0.3% and the SPDR S&P Semiconductor ETF (XSD) rising 1.1%.

The Philadelphia Semiconductor index increased 0.5%.

In corporate news, Microsoft ( MSFT )-backed (MSFT) OpenAI and the UK government signed a new partnership aimed at expanding AI security research, exploring investments in UK-based infrastructure and improving the efficiency of taxpayer-funded services using AI. Microsoft ( MSFT ) shares were little changed.