XSD is trading at $567.76, up 2.26%, but mixed semiconductor signals leave the precise cause of its rise uncertain. - Despite the supplied pre-market gain, U.S. futures were slightly lower. Reuters reported chip stocks were a pre-market drag, including Intel down more than 4% and Micron down 0.3%; Nvidia edged up 0.5%. - Recent optimism about AI-related chip demand followed Micronβs stronger-than-expected earnings and outlook, while services PMI data was still ahead at 10:00 a.m. ET.