About 2.81 billion shares valued at 15.39 trillion rials ($123.15 million) changed hands at TSE for the day.
Trading at TSE and over-the-counter Iran Fara Bourse starts on Saturday and ends Wednesday.
Noosh Mazandaran Company was the biggest winner as its shares went up 6.38% to 57,899 rials per share, Financial Tribune reported.
Aburaihan Pharmaceutical Company incurred the biggest loss among all TSE-listed companies and went down 3.94% to 31,776 rials per share.
Mobile Telecommunication Company of Iran contributed the most to the benchmark's fall, followed by Telecommunication Company of Iran, Mobin Petrochemical Company and Persian Gulf Petrochemical Industries Company.
MAPNA Group gave the biggest boost to the benchmark index, followed by Mobarakeh Steel Company, Kharg Petrochemical Company and Nouri Petrochemical Company.