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Makhūl said, “If anyone recites Āl ‘Imrān on a Friday, the angels will invoke blessings on him till night comes.” Transmitted by Dārimī.
Source: sunnah.com
Other translations
Arabic
وَعَنْ مَكْحُولٍ قَالَ: مَنْ قَرَأَ سُورَةَ آلِ عِمْرَانَ يَوْمَ الْجُمُعَةِ صَلَّتْ عَلَيْهِ الْمَلَائِكَةُ إِلَى اللَّيْل. رَوَاهُ الدَّارمِيّ
sunnah.com