(Say: For myself I have no power to benefit, nor power to hurt…) [7:188].
Said al-Kalbi: “The people of Mecca said: ‘O Muhammad, does not your Lord inform you about lower prices before they go up, and thus you buy and make profit? And does He not inform you about the land which is about to suffer drought and, thus, you travel to a land which is more fertile?’ And so Allah, exalted is He, revealed this verse”.
Asbab Al-Nuzul by Al-Wahidi , trans. Mokrane Guezzou