Alibaba (NYSE: BABA) shares slid more than 5% in pre-market on Friday, February 13, following news that the U.S. government is preparing to expand a Pentagon list of companies allegedly supporting the Chinese military.The placement on the Pentagon’s list does not automatically trigger sanctions, rather, it serves as a warning to U.S. partners about potential national security concerns, Reuters first reported citing two familiar with the matter.Nonetheless, the development can strain commercial partnerships, ...