RIYADH — The Public Investment Fund (PIF) and Macquarie Asset Management (MAM) on Monday announced the signing of a Memorandum of Understanding (MoU) to expand investment opportunities in Saudi ArabiaRIYADH — The Public Investment Fund (PIF) and Macquarie Asset Management (MAM) on Monday announced the signing of a Memorandum of Understanding (MoU) to expand investment opportunities in Saudi Arabia