About 424 million shares valued at $31.9 million changed hands for the day.
Trading at TSE and Iran Fara Bourse starts on Saturday and ends on Wednesday.
Iran Lent Company incurred the biggest loss among all TSE-listed companies, as it went down 4.89% to 3,771 rials per share, according to Financial Tribune.
Piazar Company was the biggest riser, going up 5.65% to 7,691 rials per share.
Mobarakeh Steel Company weighed the most on TEDPIX, followed by National Iranian Copper Industries Company and Esfahan Oil Refinery.
Bank Mellat gave the biggest boost to the benchmark, followed by Jam Petrochemical Company and Mobile Telecommunications Company of Iran.
The Price Index shed 18.90 points or 0.07% to close at 27,106.6. The First Market Index lost 57.30 points or 0.10% to post 58,543.5.
The Second Market Index gave up 37 points or 0.02% to reach 182,857. The Industry Index was down 85.70 points or 0.12% to register 72,675.6.
The Free Float Index dropped by 120.03 points or 0.13% to close at 91,713.70.
The TSE 30 remained unchanged at 3,419.7 while the TSE 50 inched down 0.80 points or 0.02% to finish at 3,298.6.
IFX Down 0.31%
Iran Fara Bourse’s main index IFX shed 2.95 points or 0.31% to close Wednesday trade at 948.38.
Close to 219.6 million securities valued at $29.05 million were traded at the over-the-counter exchange for the day.
Esfahan Steel Company witnessed the highest number of traded shares, as 30.45 million of its shares changed hands.
MobinOne Kish had the highest trade value, with the trading of shares worth $986,870.
MobinOne Kish, Hotel Parsian Kowsar and Sobhan Pharmaceutical Company registered the highest value increase.
Tadbirgaran Fars and Khuzestan, Tuka Paint Company and Zangan Zinc Industries suffered the biggest decline.
Esfahan Steel Company, Marun Petrochemical Company and Lavan Oil Refinery had the most negative impact on the IFB benchmark.