BEIJING: China is set to impose a 1 million yuan (US$137,309) cap on the annual income of staff at central government-owned financial institutions, three sources said, expanding a campaign against excess against a backdrop of economic slowdown. Those whose income already exceeds 1 million yuan will have their payout cut, such as middle and senior managers whose income will as much as halve in an overhaul of the compensation structure at 27 financial giants including the "Big Five" banks, six