Baidu U.S. stock futures rose more than 3% overnight; Kunlun Chip officially announced it has filed for an IPO; December delivery figures were released, with NIO. up more than 2% and XPeng. down more than 1%; some space-related stocks gained ground, with Sidus Space up more than 25%, ASTS up more than 2%, and RKLB up more than 1%.