Shares of Tempus AI (TEM 14.71%) soared on Monday. The company's stock jumped 15% as of market close. The spike comes as the S&P 500 (^GSPC 0.41%) and the Nasdaq Composite (^IXIC 0.67%) jumped 0.4% and 0.6%, respectively.Tempus, a "precision medicine" company that leverages artificial intelligence (AI) to better treat patients, was the target of a short report last week alleging, among other things, that Tempus is overstating its use of AI. On Friday and Saturday, the company made announcements regarding tw ...