Owning Certain Stocks

Hi Rabbi. I was wondering what is the halacha of owning shares in tlcertain types of companies such as credit card lenders, online gambling companies, entertainment like movies and shows, social media. Is it permissible to own shares?

Laws of Nidah

We are a young married couple trying our best to live according to Orthodox halacha. We find the laws of harchakot during my period, and related areas, particularly challenging. Would the Rabbi be able to guide us in a practical, halachic way so that we can live a...