SoundHound AI, Serve Robotics down after Nvidia dissolves stake

** Shares of Voice AI platform SoundHound AI SOUN, sidewalk delivery robots maker Serve Robotics SERV and Nano-X Imaging NNOX fall premarket after AI giant Nvidia NVDA dissolves stake in the companies

** SOUN down 10.8%, SERV falls 27.2% and NNOX…