Hadith
وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عُثْمَانَ بْنَ عَفَّانَ، كَانَ يَنْهَى عَنِ الْحُكْرَةِ، .
Yahya related to me from Malik that he had heard that Uthman ibn Affan forbade hoarding
Da'if · Salim al-Hilali
Muwatta Malik 1347 ·Book 31, Hadith 9·Also available on sunnah.com·