Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying,:He who bought foodgrain should not sell it until he had taken possession of it
Salim b. 'Abdullah (Allah be pleased with them) reported his father havingsaid this:I saw people being beaten during the lifetime of Allah's Messenger (ﷺ) in case they bought the foodgrain in bulk, and then sold them at that spot before taking it to their places. This hadith is narrated on the authority of 'Ubaidullah b. Abdullah b. 'Umar through another chain of transmitters (and the words are):" His father (Ibn 'Umar) used to buy foodgrains in bulk and then carried them to his people
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:He who bought foodgrain should not sell it until he had measured it. In the narration of Abu Bakr there the word is Ibta' instead of Ishtara
Abu Huraira (Allah be please with him) is reported to have said to Marwan:Have you made lawful the transactions involving interest? Thereupon Marwan said: I have not done that. Thereupon Abu Huraira (ﷺ) said: You have made lawful the transactions with the help of documents only, whereas Allah's Messenger (ﷺ) forbade the transaction of foodgrains until full possession is taken of them. Marwan then addressed the people and forbade them to enter into such transactions (as are done with the help of documents). Sulaiman said: I saw the sentinels snatching (these documents) from the people
Hadis 3850 — Sahih Muslim 21:49
حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، أَخْبَرَنَا رَوْحٌ، حَدَّثَنَا ابْنُ جُرَيْجٍ، حَدَّثَنِي أَبُو الزُّبَيْرِ، أَنَّهُ سَمِعَ جَابِرَ بْنَ عَبْدِ اللَّهِ، يَقُولُ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَقُولُ " إِذَا ابْتَعْتَ طَعَامًا فَلاَ تَبِعْهُ حَتَّى تَسْتَوْفِيَهُ " .
Jabir b. Abdullah (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying:When you purchase foodgrains, do not sell them until you have taken possession of them
Jabir b. Abdullah (Allah be pleased with them) is reported to have said that Allah's Messenger (ﷺ) forbade the sale of a heap of dates the weight of which is unknown in accordance with the known weight of dates
This hadith is narrated on the authority of Jabir b. Abdullah (Allah be pleased with them) but with this variation that no mention is made of the dates (which one finds) at the end of the previous hadith
Hadis 3853 — Sahih Muslim 21:52
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الْبَيِّعَانِ كُلُّ وَاحِدٍ مِنْهُمَا بِالْخِيَارِ عَلَى صَاحِبِهِ مَا لَمْ يَتَفَرَّقَا إِلاَّ بَيْعَ الْخِيَارِ " .
Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying:Both parties in a business transaction have the right to annul it so long as they have not separated; except in transactions which have been made subject to the right of parties to annul them