RIYADH: Saudi stocks open lower in the last trading session of the week on mixed earnings reports, which result in mixed investor sentiment. The main index, TASI, fell 2.52 percent to reach 12,393, while the parallel market, Nomu, lost 1.51 percent at 22,487, as of 10:08 a.m. Saudi time. United Wire Factories Co. dropped 2.35 percent, after announcing that it had extended its