TEDPIX lost 19,060.32 points or 1.47% to end trade at 1,277,736.85. This was the biggest decline in 30 days.
About 4.40 billion shares worth 23.8 trillion rials ($82.05 million) changed hands at TSE for the day. Trading at TSE and over-the-counter Iran Fara Bourse starts on Saturday and ends Wednesday.