وَحَدَّثَنِي عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ عَائِشَةَ، زَوْجَ النَّبِيِّ صلى الله عليه وسلم كَانَتْ تُعْطِي أَمْوَالَ الْيَتَامَى الَّذِينَ فِي حَجْرِهَا مَنْ يَتَّجِرُ لَهُمْ فِيهَا ‏.‏

Yahya related to me from Malik that he had heard that A'isha, thewife of the Prophet, may Allah bless him and grant him peace, used togive the property of the orphans that were in her house to whoeverwould use it to trade with on their behalf. Translation Not Available

Book Ref: Muwatta Imam Malik Book 17 Hadith 594
Web Ref:  Muwatta Imam Malik Book 17 Hadith 14