MICHAEL MARTINA and KAREN FREIFELD US President Joe Biden has signed an executive order that bans U.S. entities from investing in dozens of Chinese companies with alleged ties to defence or surveillance technology sectors. The move, which his administration says expands the scope of a legally flawed Trump-era order, drew anger from Beijing. The Treasury Department will enforce and update on a "rolling basis" the new list of about 59 companies, which bars buying or selling publicly traded securities in target companies, and replaces an earlier list from the Department of Defense, senior administration officials told reporters. The order prevents…