Sayyiduna Samurah bin Jundub (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) used to recite Surah al-A'la and Surah al-Ghashiyah in the two Eid prayers.
Ahmad, and al-Tabarani in al-Mu'jam al-Kabir, recorded it; Ahmad's narrators are thiqat (trustworthy).