RIYADH, Saudi Arabia--(BUSINESS WIRE)--Muscat Capital, the Saudi Arabia-based investment banking arm of Bank Muscat – the largest commercial bank in Oman – has appointed Northern Trust (Nasdaq: NTRS) to provide global custody and fund valuation and accounting services for its Saudi equity fund, the Muscat Capital IPO fund, benchmarked to the Muscat Capital Saudi IPO Shari’ah Index. This latest appointment adds to Northern Trust’s growing client base across the Gulf Cooperation Council (GCC) sta