https://www.reuters.com/article/c3-ai-ipo/billionaire-siebels-c3-ai-boosts-ipo-price-range-as-investors-flock-to-tech-stocks-idUSKBN28H1JZ >C3.ai, founded by billionaire tech entrepreneur Tom Siebel, said on Monday it expects to raise $589 million in its initial public offering (IPO) after boosting its price range, underscoring the demand for new tech listings.