01:25 PM EDT, 03/24/2026 (MT Newswires) -- Tech stocks were mixed Tuesday afternoon, with the State Street Technology Select Sector SPDR ETF (XLK) decreasing 0.9% and the State Street SPDR S&P Semiconductor ETF (XSD) rising 1.4%.

The Philadelphia Semiconductor index added 0.6%.

In corporate news, Microsoft ( MSFT )-backed (MSFT) OpenAI's chief operating officer Brad Lightcap warned of a potential bottleneck to AI infrastructure expansion due to the memory chip shortage and US energy supply constraints, Bloomberg reported. Microsoft ( MSFT ) shares were down 2.8%.