SHANGHAI—Global index publisher FTSE Russell said it will delete 20 more Chinese companies from its indexes after user feedback on an updated U.S. executive order that bars U.S. investment in companies with alleged ties to China’s military. U.S. President Joe Biden signed the order on June 3 that bans U.S. entities from investing in dozens of Chinese companies with alleged ties to defense or surveillance technology sectors, replacing an earlier order under former president Donald Trump. In a statement on its website, FTSE Russell said the additional Chinese companies will be deleted from its indexes on July 28. “Excluding quality Chinese companies from the indices will only hurt the image of and cause losses to the indices themselves,” said Wang Wenbin, China’s foreign ministry spokesman. The United States is unjustifiably oppressing Chinese companies, he told a regular briefing in Beijing on Friday. The decision was based on the feedback from …