Muscat: The Muscat Stock Exchange "30" index on Monday closed at 4,790.51 points, down 15.2 points, or 0.32 percent, compared to the last trading session, which amounted to 4,805.70 points. The trading value amounted to OR 4.5 million, a decrease of 71.3 percent compared to the last trading session, which amounted to OR14.1 million. Source: Qatar News Agency