The benchmark of Tehran Stock Exchange, TEDPIX, gained more than 6,000 points at the start of trade before retreating toward the flatline as trade closed.
The market cap-weighted TEDPIX gained 1,309.69 points or 0.09% on Monday to finish the session at 1,538,503.
As with most of previous sessions, the TSE’s equal-weighted index climbed 0.55%, indicating that small caps performed better.
About 11.07 billion shares valued at 93.35 trillion rials ($345.76 million) changed hands at TSE for the day.
Mobarakeh Steel Company contributed the most to the benchmark's fall, followed by Ghadir Investment Company, Mines and Metals Development Investment Company and Social Security Investment Company.
Golgohar Mining and Industrial Company gave the biggest boost to the benchmark index followed by Bandar Abbas Oil Refining Company, Esfahan Oil Refining Company and Barakat Pharmaceuticals Group Company.
FX Up 0.3%
Iran Fara Bourse main index IFX gained 71.39 points or -0.31% to close Monday trade at 22,764.97.
About 5.16 billion shares and securities valued at 215 trillion rials ($796.31m) were traded at the junior exchange for the day.
Saba Tamin Investment Company, Gohar Zamin Iron Ore Company, Arya Sasol Polymer Company and Hormozgan Steel Company had the most negative impact on IFX.
Pasargad Insurance Company gave the biggest boost to IFX, followed by Lavan Oil Refining Company, Damavand Power Generation Company and Minoo Industrial Group Company.