C3.ai announced on Monday that Microsoft will extend its partnership and provide cloud computing services through Azure to the enterprise artificial intelligence company, and C3.ai stock soared. Microsoft and C3.ai entered into a partnership in 2018 to provide enterprise AI services to several companies. On Tuesday, shares soared more than 24.2% to their highest gains since May 30, 2023 when they rocketed 33.4%, according to Dow Jones Market Data.