Artificial intelligence (AI) name C3.ai Inc (NYSE:AI) will announce fiscal first-quarter earnings after the close tomorrow, Sept. 4. C3.ai stock sports an 18.4% year-to-date deficit despite the excitement surrounding AI advancements. Further back, the equity lost 25% over the last 12 months, and is now trading well below its Feb. 29 annual high of $38.30. At last check, AI is 0.1% higher at $23.37.  The stock has a mixed history of post-earnings closes, though it gained 24.5% and 19.4% in February and May, ...