RIYADH: Saudi stocks opened lower during the second session of the week, as investors prepare for earning reports and keep an eye on the energy market. As of Monday 10:10 a.m., the main index, TASI, fell 0.22 percent to reach 13,433, and the parallel market, Nomu, dropped 0.57 percent to reach 23,696. Crude oil prices were lower early on Monday, with Brent crude reaching