It is derived from the very first verse; Wayl-ul-lil mutaffifin.
The style of the Surah and its subject matter clearly show that it was revealed in the earliest stage at Makkah, when surah after surah was being revealed to impress the doctrine of the Hereafter on the people's minds. This Surah was revealed when th...
Companions and their successors was that when they found that a verse applied to a certain matter of life, they would say that it had been sent down concerning that particular matter. Therefore, what is proved by the tradition of Ibn Abbas is that when after his emigration to Madinah the Holy Prophe...