Sell-offs largely hit shares of big listed companies, which tend to have a stronger impact on market-cap weighted TEDPIX, as stocks in many smaller firms were traded mostly in positive territory. This was reflected in the 0.65% growth of the equal-weighted index.
About 13.86 billion shares valued at 158.25 trillion rials ($889.06 million) changed hands at TSE for the day.
Rena Investment Company was the biggest winner as its shares went up 16.9% to 9,710 rials per share.
North East Housing Investment Company incurred the biggest loss among all TSE-listed companies and went down 4.96% to 9,780 rials per share.
Persian Gulf Petrochemical Industries Company contributed the most to the benchmark's fall, followed by Golgohar Mining and Industrial Company, Social Security Investment Company and Omid Investment Management Group Company.
National Iranian Copper Industries Company gave the biggest boost to the benchmark index, followed by Esfahan Oil Refining Company, Iran Khodro Company and Tehran Oil Refining Company.
IFX Up 0.75%
Unlike the TSE, the benchmark of junior equity market Iran Fara Bourse, IFX, gained 99.39 points, or 0.75%, to close Sunday trade at 13,281.88.
About 3.18 billion securities worth 54.67 trillion rials ($307.2 million) were traded at the over-the-counter exchange for the day.
Esfahan Steel Company had the highest number of traded shares and trade value as 313.32 million of its shares worth 2.21 trillion rials ($12.43 million) were traded.
Esfahan Steel Company, Shahid Tondgooyan Petrochemical Company, Damavand Power Generation Company and Iran Fara Bourse had the most negative impact on IFX.
Gohar Zamin Iron Ore Company gave the biggest boost to IFX, followed by Middle East Mines and Mineral Industries Development Holding Company, Marun Petrochemical Company and Zagros Petrochemical Company.