Financial Tribune - Tehran Stock Exchange�s main index gained 2,777.76 points or 2.29% on Wednesday to end trading at 123,951.3.

About 2.13 billion shares valued at $171.87 million changed hands at TSE for the day.

Trading at TSE and Iran Fara Bourse starts on Saturday and ends on Wednesday.

Pars Petrochemical Company was the biggest winner, as its shares went up 5% to 31,544 rials per share.

Tolid Mavade Avallieh Daroupakhsh incurred the biggest loss among all TSE-listed companies and went down 4.99% to 6,202 rials per share.