Is it permissible to buy shares in companies like Apple, Google, and BMW?

The original ruling is that buying shares is permissible, subject to conditions: that the company's activity be permissible, and that it not deposit its funds in interest-based banks. The resolution of the Islamic Fiqh Academy stipulated the impermissibility of investing in companies whose primary purpose is forbidden, or if some of their transactions involve usury, with the buyer's knowledge of that, because the buyer is considered a partner in usury.