Shivangi Lahiri / Reuters : Filing: Chinese AI startup MiniMax seeks to raise up to ~$538.5M in a Hong Kong IPO, offering 25.4M shares at a price range of ~$19.40 to ~$21.20 per share — Chinese AI startup MiniMax Group is seeking to raise up to HK$4.19 billion ($538.54 million) in a Hong Kong initial public offering, a regulatory filing showed on Wednesday.