[JPMorgan Upgrades Bitcoin Mining Companies Cipher and CleanSpark to 'Overweight'] Odaily Planet Daily News: JPMorgan has upgraded the ratings of Bitcoin mining companies Cipher and CleanSpark to 'Overweight,' citing strong momentum in HPC transformation. The target price for Cipher has been raised from $12 to $18, while CleanSpark's target price has been increased to $10.8. However, JPMorgan has simultaneously lowered the stock price targets for two other Bitcoin mining companies, MARA and Riot, to reflect weaker Bitcoin expectations and intensified stock dilution. (CoinDesk)