This clinical-stage drugmaker's AI platform could speed up the development process, but initial results were disappointing. The artificial intelligence (AI) revolution is pushing up the overall stock market, but not every AI stock is performing well. Shares of Recursion Pharmaceuticals (RXRX 1.51%) are down by more than half from a peak they set this spring. The start-up drugmaker disappointed investors with lackluster results for its lead candidate in September. Luckily, it has a deep pipeline of less-adva ...