RIYADH: Saudi Arabia’s main stock market closed higher on Wednesday to lead the GCC, as investor sentiment was buoyed by strong earnings results. TASI the main index advanced 1 percent to 13,643, and the parallel market Nomu slipped 0.1 percent to 23,634. Dubai recorded the second-highest gains among GCC members as it added 0.6 percent. Abu Dhabi, Oman, and Kuwait’s bourses