Narrated ['Amr bin Shu'aib on his father's authority from his grandfather (RA)] : Allah's Messenger ( صلی اللہ علیہ وسلم ) forbade the type of transaction in which a security deposit was paid. [Reported by Malik, who said, "It reached me (with mentioning its chain of narrators) on the authority of 'Amr bin Shu'aib that..." i.e., the aforesaid Hadith] .

Narrated Ibn 'Umar (RA): I bought some oil in the market and when I had taken it (from the seller), a man met me and offered to give me a good profit for it. Then, when I was about to finalize the deal with him, a man caught hold of my forearm from behind. So I turned and found that he was Zaib bin Thabit (RA). He said, "Do not sell it in the place where you have bought it, till you take it to your dwelling. This is because Allah's Messenger ( صلی اللہ علیہ وسلم ) forbade that commodities to be sold in the place where they were bought, till the traders take them to their dwellings." [Reported by Ahmad and Abu Dawud; this wording is from Abu Dawud. Ibn Hibban and al-Hakim graded it Sahih (authentic)] .

Narrated [Ibn 'Umar (RA)] : I said, "O Allah's Messenger, I sell camels at al-Baqi'. I sell for Dinars and take Dirhams (for them), and sell for Dirhams, and take Dinars (for them), I take this for that and give that for this (i.e. Dinars and Dirhams)." Allah's Messenger ( صلی اللہ علیہ وسلم ) replied, "There is no harm in taking them at the current rate so long as you do not separate leaving something still to be settled (from the exchange)." [Reported by al-Khamsah and al-Hakim graded it Sahih (authentic)] .

Narrated [Ibn 'Umar (RA)] : Allah's Messenger ( صلی اللہ علیہ وسلم ) forbade bidding against one another (to raise the price). [Agreed upon] .

Narrated Jabir bin 'Abdullah (RA): The Prophet ( صلی اللہ علیہ وسلم ) forbade Muhaqalah, Muzabanah, and Mukhabarah. He also forbade Thunya unless it was explicit (a known amount). [Reported by al-Khamsah excluding Ibn Majah; at-Tirmidhi graded it Sahih (authentic)] .

Narrated Anas (RA): Allah's Messenger ( صلی اللہ علیہ وسلم ) forbade Muhaqalah, Mukhadarah, Mulamasah, Munabadhah and Muzabamah. [Reported by al-Bukhari] .

Narrated Tawus from Ibn 'Abbas (RA), Allah's Messenger ( صلی اللہ علیہ وسلم ) said: "Do not go out to meet riders (to conduct business with them), and a city-dweller must not sell for a man from the desert." I asked Ibn 'Abbas (RA), "What did he mean by 'A city-dweller must not sell for a man from the desert.'" He replied, "He should not act as a broker for him." [Agreed upon and the wording is al-Bukhari's] .

Narrated Abu Hurairah (RA): Allah's Messenger ( صلی اللہ علیہ وسلم ) said: "Do not go out to meet what is being brought (to market for sale). Whoever has done so and bought some of it, when its owner comes to the market he has the choice (of canceling the deal)." [Reported by Muslim] .

Narrated [Abu Hurairah (RA)] : Allah's Messenger ( صلی اللہ علیہ وسلم ) forbade, a city-dweller to sell for a man from the desert; one to bid against another (to raise the price); that someone sell (his product) by canceling the sale of his brother; to propose (marriage) to a woman after his brother has done so; or a woman to ask to have her sister divorced in order to deprive her of what belongs to her. [Agreed upon] . Muslim has: "A Muslim must not offer a price above that offered by another Muslim."

Narrated Abu Ayub al-Ansari (RA): I heard Allah's Messenger ( صلی اللہ علیہ وسلم ) saying, "Whoever separates a mother from her child, May Allah separate him from his beloved ones on the Day of Resurrection." [Reported by Ahmad. at-Tirmidhi and al-Hakim graded it Sahih (authentic). However, it's chain of narrators has some weakness. But, it has a supporting narration] .