AI Firm Yitu Said to Mull Hong Kong IPO After Shanghai Plan Halt (Bloomberg) — Chinese artificial intelligence company Yitu Technology is considering an initial public offering in Hong Kong after a tightening regulatory scrutiny stalled an earlier attempt to list in Shanghai, people familiar with the matter said. The AI firm could seek a valuation of about $4 billion in the Hong Kong share sale, according to the people, asking not to be named discussing private matters. Yitu, whose application for a STAR board IPO was withdrawn last month when regulators failed to give their approval after a lengthy…