RIYADH: Saudi stocks slid last week in line with most Gulf peers, threatened by fears over a global economic slowdown and fluctuating oil prices. The Kingdom’s main index TASI lost 1.2 percent to exit the week at 12,142 on Thursday, while the parallel Nomu market retreated 1.4 percent to 21,326. Qatar and Abu Dhabi slipped 1.8 percent and 1.6 percent, respectively, followed by