Financial Tribune - Tehran stocks plummeted more than 3.3% at the start of trading week on Saturday amid investors unwillingness to trade and anxious about uncertainty about future market developments.

The market cap-weighted index of Tehran Stock Exchange, TEDPIX, dropped nearly 17,500 points retreating to 502,738 points for the day while the equal-weighted index experienced smaller losses and fell 1.8%.

TSE started a bearish trend since a week ago and has dropped more than 10% during the past five trading sessions, according to analytical stock market website Donyaye Bourse.