Tehran Stock Exchange's main index gained 793.50 points or 1.03% to end Wednesday trade at 77,883.3.
More than 925 million shares valued at $62.7 million changed hands for the day.
Etebar Iran Investment Company was the biggest riser, going up 5% to 2,247 rials per share.
Niroumoharekeh Machine Tools Company incurred the biggest loss among all TSE-listed companies, as it went down 3.88% to 3,913 rials per share.
National Iranian Copper Industries Company gave the biggest boost to the benchmark, followed by Bandar Abbas Oil Refining Company and Golgohar Mining and Industrial Company.
Iran Petrochemical Investment Company weighed the most on TEDPIX, followed by Ghadir Investment Company and Machine Sazi Arak Company.
The Price Index added 282.70 points or 1.03% to end at 27,746.1.
The First Market Index gathered 794.50 points or 1.46% to reach 55,266.8.
The Second Market Index rose by 333.90 points or 0.20% to register 165,820.9.
The Industry Index won 690.50 points or 1.08% to post 64,779.9.
The Free Float Index rose by 1,064.82 points or 1.23% to hit 87,537.40.
The TSE 30 Index leapt up by 50 points or 1.57% to settle at 3,230.4 while the TSE 50 Index garnered 36.40 points or 1.18% to finish at 3,108.9.
> IFX Gains 5.84 Points
The over-the-counter Iran Fara Bourse's main index IFX gained 5.84 points or 0.72% to end Wednesday trade at 813.91.
More than 207 million securities valued at $21.2 million were traded for the day.
Tehran Oil Refining Company saw the highest number of traded shares and trade value, as 37.8 million of its shares worth $3 million changed hands.
Atieh Dadeh Pardaz Company, Tehran Oil Refining Company and Pegah Fars Company had the highest value increase.
Shahrood Industrial Company, Tuka Paint Company and Shahed Construction and Development Company saw the highest decline.
Tehran Oil Refining Company, Hormozgan Steel Company and Lavan Oil Refining Company gave the biggest boost to the IFB benchmark.
Omid Taban Hour Energy Management Company, Tuka Rail Company and Mavad Vizhe Lia Company were also on investors' radar.
