C3.ai deserves to stay below its IPO price for the foreseeable future.C3.ai (AI 0.51%) has been a tough stock to own over the past four years. The developer of artificial intelligence (AI) algorithms went public at $42 in December 2020, and its stock more than quadrupled to an all-time high of $177.47 just two weeks later. That rally was amplified by a social media-driven buying frenzy in growth and meme stocks.But today, C3.ai trades at about $25. The AI stock lost its luster as its growth cooled off, it r ...