Serve Robotics is trading 7.02% up at $4.96 on September 30, 2026, amid a broader market advance after cooler-than-expected August PCE inflation and a stronger-than-expected 2.2% second-quarter GDP estimate; a direct link to the gain has not been established. - Reuters reported the data lifted U.S. stock futures. - No new company-specific announcement explaining the move appeared in search results.