Prohibitions on Chinese state oil giant China National Offshore Oil Corp. (CNOOC) by the New York Stock Exchange (NYSE) took effect on March 9. The NYSE ordered the formal delisting of CNOOC based on an executive order signed by former U.S. President Donald Trump. His administration moved against certain Chinese companies that Washington said were owned or controlled by the Chinese military. Should investors consider legal action? CGTN anchor Kate Kui comments.