What is the ruling on buying and selling American and foreign stocks, as well as Saudi stocks (especially SABIC and STC), taking into consideration the established Shariah controls? And what should be done if it becomes clear that this transaction is impermissible?

Online stock trading is fraught with risks, and one should avoid it and seek another means of earning a livelihood. The ruling on the companies SABIC and STC is left to the inquirer after reviewing the general guidelines for stock trading mentioned in fatwas numbered: 34770, 39399, 31570, as it is difficult to rule on each company in detail.