Commonwealth Bank of Australia

Commonwealth Bank shares closed lower, ending a five-day advance, as investors await half-year results. The bank will increase select savings product rates from February 13.

National Australia Bank shares declined 1.6% as the broader ASX 200 fell nearly 2%. Major banks are raising mortgage rates following the RBA's increase, with key financial updates due in February.

Commonwealth Bank shares showed relative resilience, declining only 0.23% versus the broader ASX 200's 2.03% drop. Investors await the bank's half-year results and commentary on margin pressures and credit trends.