C3.ai (AI) shares have lost 11.6% in the past year against the Zacks Computers - IT Services  industry’s rise of 26.3% and the broader Zacks Computer & Technology sector’s return of 36.7%.The underperformance can be attributed to stiff competition in the enterprise AI sector and C3.ai’s higher investment plan to gain market share. This is expected to keep margins under pressure in the near term.Despite these headwinds, C3.ai’s expanding client base and the growing adoption of its Enterprise AI software offe ...