أُوْلَـٰٓئِكَ ٱلَّذِينَ ٱشۡتَرَوُاْ ٱلضَّلَٰلَةَ بِٱلۡهُدَىٰ فَمَا رَبِحَت تِّجَٰرَتُهُمۡ وَمَا كَانُواْ مُهۡتَدِينَ
Those are those who bought/volunteered the misguidance with the guidance, so their commercial trade/buying and selling did not profit/gain, and they were not guided
Author: Literal