about buying of shares
All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah and that Muhammad, sallallaahu ʻalayhi wa sallam, is His Slave and Messenger. It is impermissible to sell the purchased item before taking possession of it first. Zayd ibn Thaabit may Allaah be pleased with him said, "Do not sell it in the spot where you have bought it until you take it to your house for the Messenger of Allaah, sallallaahu ʻalayhi wa sallam, forbade to sell the goods where they are bought until the traders take them into their possession." [Abu Dawood] It has been narrated on the authority of Ibn ʻAbbaas may Allaah be pleased with him that the Prophet, sallallaahu ʻalayhi wa sallam, also forbade the resale of foodstuff by somebody who had bought it unless he had received it with exact full measure. [Al-Bukhari, Muslim, and others] Ibn ʻAbbaas may Allaah ...