DeepSeek is nearing the completion of a new funding round that values the company at about 500 billion yuan (US$74 billion) before investment, as the Chinese artificial intelligence start-up moves closer to a potential listing on Shanghai’s Star Market, according to people familiar with the matter.The company was seeking to raise about 50 billion yuan in the round, which was expected to close before the end of August, according to one person.Investors included incumbents from the company’s...