最新报道:Riot Platforms received consecutive upgrades from JPMorgan and Citigroup, with both banks highlighting its pivot into AI and cloud services as key growth drivers. JPMorgan raised Riot to overweight with a $19 price target, while Citi upgraded to buy with a $24 target. Meanwhile, JPMorgan downgraded IREN to underweight and maintained buy ratings on Cipher Mining (doubling price target to $12) and MARA Holdings. The bank values potential HPC colocation contracts at $3.7M-$8.6M per MW, citing a 50% probability for Riot, Cipher and IREN to secure near-term deals.