Prominent Muslim scholars and financial advisors released a white paper declaring Ethereum halal, or permissible, according to Islamic Sharia law. The clarity for Muslim purchasers may stimulate additional demand for Ether.
source :
https://cryptoslate.com/ethereum-halal-muslim-scholars-eth-demandi hope this news will be good for eth price, and make the price grow more than $200 again
Even before this was being published,Muslims in crypto had already using and investing in crypto and not because this was considered as Halalit will have impact because the people that may consider this declaration are the Muslims that already operating here
But not unless these will be appreciated by many Muslims worldwide and may present to their family and friends [as it was already considered as halal)then the impact will be indeed favorable to ethereum and its holders