Cipher Mining (CIFR) stock jumps 7% as bitcoin miners rally — what to watch into Tuesday
Cipher Mining shares jumped 7.3% to $18.80 Friday, with about 45.6 million shares traded as bitcoin hovered near $95,000. U.S. stock markets will be closed Monday for Martin Luther King Jr. Day, delaying further equity trading until Tuesday. Cipher recently signed a $5.5 billion, 15-year lease with Amazon Web Services for AI infrastructure.