Share market is halal but with some condition.
Company Main Product not a haram product. example alcohol, Entertainment, Interest etc.This type of Company share you can't buy because this company is not halal companies.
Some Companies have multiple products like Reliance Company they have jio communication,jio mart,Reliance Petrolium,Etertainment,in this compay they have some halal product as well as some haram product in this case haram product business revenu not be greater than 5%.
Company Don't have debt more than 33% example company value 100 cr so loan will be less than 33 cr
We understand how to filter halal stocks from share market.so we need to understand which type of trading is allow in sharia.
There is three type of trading is available in share market.
https://halalstocktrading.in/