RIYADH: Saudi Arabia’s proposed limits on borrowing for overseas securities trades could protect investors and reduce forced selling during market downturns as foreign-market activity continues to grow, financial experts have told Arab News. The Capital Market Authority is proposing that investors provide at least 50 percent of the value of a margin-financed transaction themselves. Brokers would have to monitor each position daily and ensure the investor’s margin remains at no less than 25 perce