08:52 AM EDT, 09/23/2025 (MT Newswires) -- Technology stocks were mixed premarket Tuesday, with The Technology Select Sector SPDR Fund (XLK) was down 0.1% and the SPDR S&P Semiconductor ETF (XSD) 0.4% higher.

STMicroelectronics ( STM ) stock was up more than 2% after the company said it will lead the STARLight project, a consortium of top industrial and academic partners aimed at strengthening Europe's position in 300mm silicon photonics.