For years, Harris Associates and stock picker David Herro were closely linked to the fate of Credit Suisse as its biggest shareholder. He'd been a vocal supporter of former CEO Tidjane Thiam during his tussles with the board after a spying scandal and stuck with the bank through years of scandals and losses. But, amid the latest restructuring plan in October and huge outflows, he finally threw in the towel. He said earlier in March that he'd exited the stake in recent months.