Financial Tribune - The main gauge of Tehran Stock Exchange added to the four-day losing streak on Sunday with its main gauge, TEDPIX, shedding 19,865 points.

The market-cap weighted TSE�s benchmark was down 2% to close trading session at 967,610, moving farther away from the 1,000,000 points reached on May 9.

Legal and institutional investors were the key players in Sunday�s session as they largely bent on the buy side.