‏البيوع : Hadeeth No:3649 Ibn 'Umar (Allaah be pleased with them) reported that they were beaten during the lifetime of Allaah's Messenger (sallAllaahu alayhi wa sallam) if they had bought foodgrains in bulk and then sold them in the spot without shifting them (to some other place)....

‏الذكر والدعاء والتوبة والاستغفار‏ : Hadeeth No:6524 This hadith has been narrated on the authority of Shu'ba with the same chain of transmitters....