Imprisoned former Malaysian Prime Minister Najib Razak was convicted Friday following a corruption trial tied to multibillion-dollar looting of the 1MDB state investment fund.The nation’s High Court found Najib, 72, guilty on four counts of abuse of power. Rulings on additional charges of money laundering were still being delivered Friday afternoon.Authorities said he siphoned more than $700 million into his personal bank accounts from the 1MDB fund. Najib denied any wrongdoing and had maintained the funds were a political donation from Saudi Arabia and that he had been misled by rogue financiers led by Low Taek Jho. Low, thought to...