RIYADH: Saudi stocks advanced on Monday as investors awaited further first-quarter earnings results, despite a drop in global stocks. The main index, TASI, finished 0.37 percent higher at 13,733, and the parallel market, Nomu, slightly edged up by 0.09 percent to 24,214. Apart from the Saudi index, fellow GCC stock exchanges, including Abu Dhabi, Dubai, Qatar, Oman, Bahrain,