Adding to the string of losses, the main index of Tehran Stock Exchange, TEDPIX, plunged by 24,000 points in the early hours but later pared some of the loss as demand improved.
The TSE's main index finally lost 13,741.6 points, or 1.06%, on Wednesday to end trading at 1,288,286.47.
About 7.86 billion shares valued at 71.29 trillion rials ($254.62 million) changed hands at TSE for the day.
Zar Macaron Industrial Group Company was the biggest winner as its shares went up 5% to 51,260 rials per share. Hamadan Glass Company incurred the biggest loss among all TSE-listed companies and went down 5% to 9,510 rials per share.
Esfahan Oil Refining Company contributed the most to the benchmark's fall, followed by Tehran Oil Refining Company, Tamin Petroleum and Petrochemical Investment Company and Parsian Oil and Gas Development Group Company.
Iran Khodro Company gave the biggest boost to the benchmark index followed by Chadormalu Mining and Industrial Company, Khouzestan Steel Company and Pardis Petrochemical Company.
IFX Down 0.34%
Iran Fara Bourse main index, IFX, lost 55.22 points, or 0.34%, to close Wednesday trade at 16,124.73.
About 1.75 billion securities valued at 132.97 trillion rials ($474.9m) were traded at the junior exchange. Esfahan Steel Company had the highest number of traded shares as 252.22 million of its shares worth 1.12 trillion rials ($4.01m) were traded.
Saba Tamin Investment Company, Day Bank, Shahid Tondgooyan Petrochemical Company and Gohar Zamin Iron Ore Company had the most negative impact on IFX.
Arya Sasol Polymer Company gave the biggest boost to IFX, followed by Zagros Petrochemical Company, Hormozgan Steel Company and Gilan Electric Power Development Company.