As Salaamu Alaikum,
Is purchasing shares from unit trust permissible.
Wa Alaikum As Salaam,
No. It is not permissible, since it is difficult for you to identify whether their investments take place in only halaal products, OR in halaal and haraam products and avenues.
And Allah Knows best
Mufti Waseem Khan
This answer was collected from DarulUloomTT.net, which is operated under the supervision of Mufti Waseem Khan from Darul Uloom Trinidad and Tobago.