<p dir="ltr"><span>Financial Tribune- After a roller-coaster ride through autumn that saw the market make historic gains on a plunging rial, the TEDPIX fell nearly 1% to finish the first trading day of winter at 154,505.5– a point considered to be the market's support level not easily to be broken before the yearend in March. <br> The drop in oil prices in the days prior to Saturday's session was the main reason behind the heavy pressure on refinery stocks, causing them to act as a drag on the main index.<br> Oil prices extended this week’s sell-off on Friday, posting the worst weekly performance in nearly three years, as global oversupply kept buyers away from the market ahead of the New Year festivities.<br> <br class="t-last-br"> </span></p>