Cipher Mining (CIFR) shares closed well over 20% higher on Monday after the New York-headquartered firm announced a 15-year hosting agreement worth $5.5 billion with Amazon’s (AMZN) Amazon Web Services (AWS). In September, the Nasdaq-listed firm signed a similar deal with Google-backed Fluidstack as well, but the AWS transaction marks its most notable pivot into artificial intelligence (AI) infrastructure. More News from Barchart Following today’s rally, CIFR stock is trading at more than 10x its price ...