Commonwealth Bank of Australia reported its best full-year cash earnings of A$10.25 billion ($6.69 billion) and a record dividend payout on Wednesday as the bank made a major push to gain business lending market share from its rivals.

Commonwealth Bank of Australia reported its best full-year cash earnings of A$10.25 billion ($6.69 billion) and a record dividend payout on Wednesday, but investors dumped shares in the bank considered one of the most expensive in the world.

The ASX 200 and its largest company both sank on Wednesday despite the business posting strong profit and giving major dividends to its shareholders.