<p>Riyadh: The Saudi Stock Exchange main stock index closed lower today, losing 20.52 points to reach 10,823.60 points, with total transactions amounting to SAR4.4 billion.</p> <p>A total of 245 million shares were traded during the session, with 103 companies posting gains and 154 companies closing lower.</p> <p>The Saudi Parallel Market Index (NOMU) closed higher, up 40.6 points to reach…