The market capitalization of major cryptocurrency mining stocks has risen significantly over the past two weeks, with most companies achieving double-digit percentage gains. Marathon Digital (ticker MARA), whose market capitalization jumped from $5.51 billion on July 8 to $7.56 billion this weekend, grew by more than 37% in five days and still maintained a 27% gain in the 11 days to July 19. Riot Platforms (RIOT) followed a similar pattern, climbing from $2.78 billion to $3.67 billion, posting a...