RIYADH: The Tadawul all share index was down 54 points on Monday, or 0.5 percent, closing at 11,512.11 points.
261 million of shares changed hands in 452.000 deals , with heavy trading in ACWA power, Al-Rajhi bank, and SABIC.
ACWA Power shares surged by 30 per cent on its market debut, and it led the total of 57 rising stocks.
NCB was down by 2.3 percent, with Almarai shares down by 2 percent continuing the seventh session of decline.
The biggest fallers were Siceo by 4.5 percent, Naseej by 4.4 percent, and Saudi Research and Media Group by 3.8 percent.
A total of SR46.9 million of stocks were traded on the parallel Nomu index, which was down by 32.39 points, closing at 22978.52 points.
8.6 million shares were traded, with a value of more than SR630 million.
Gasco stock prices rose by more than 5.5 percent, and the shares of Amana Insurance and Najran Cement recorded gains of more than 4 percent.
