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 ibnAffan forbade hoarding . Translation Not Available

Book Ref: Muwatta Imam Malik Book 31 Hadith 1350
Web Ref:  Muwatta Imam Malik Book 31 Hadith 58