Golden Finance reported that JPMorgan Chase released its latest research report, which raised the ratings of a number of Bitcoin mining companies based on their third-quarter performance and the rise in Bitcoin prices and computing power. Among them, the ratings of Cipher Mining and CleanSpark were raised from "neutral" to "overweight", with target prices of US$8 and US$17 respectively; MARA Holdings was raised from "underweight" to "neutral", and the target price was raised from US$12 to $23. Affected by this, Cipher rose by more than 4% before the market opened, CleanSpark rose by 3.5%, and MARA rose by more than 2%. Meanwhile, the bank downgraded IREN to "neutral" but raised its price target to $15, and maintained an "overweight" rating on Riot Platforms with a price target raised to $16.