Saudi Arabia's Olayan Group's stake in bank Credit Suisse has fallen by more than 25 percent since the end of 2014, according to information provided by the SIX Swiss Exchange in Zurich on Wednesday. Olayan owns 4.95 percent of Credit Suisse, the second-biggest Swiss bank. It had previously held 6.7 percent of Credit Suisse shares, according to the bank's 2014 annual report.
