Tehran's stock exchange has reopened, the Fars news agency reported on Tuesday, despite uncertainty about the state of the conflict between Iran and the United States.
Trading resumed after a pause of around 80 days, Fars said.
Forty-two companies were excluded from trading because of war damage. That corresponds to about 35% of the market volume, Fars reported, citing a stock exchange official.
Shares in chemical companies and metal-processing firms are among those not able to be traded, the Sharq newspaper reported.
The measures are an attempt to limit a possible slump if investors are inclined to sell companies that suffered damage in the war with the US and Israel. Military strikes damaged key petrochemical facilities and steelworks.
Sharq nevertheless reported a fall in prices at the start of trading. Only 28% of listed shares were initially in positive territory.
But according to Fars, trading closed after around four and a half hours with prices slightly higher than the open.
Iran is going through a severe economic crisis as a result of the war.
The US naval blockade is massively hampering Iran's important oil business and Iran's leadership also imposed an internet shutdown at the start of the war, slowing economic activity in the country.
Even before the war began in late February, mass protests broke out in the Islamic Republic because of economic problems.
Attacks have generally been paused due a ceasefire, but talks over a permanent peace continue to stall.
