S&P/ASX 200 (INDEXASX:XJO) slipped 13 points or 0.2% to 6,297, snapping a two-session winning streak.
The financial sector was the worst hit, falling 1.8%.
ANZ Bank (ASX:ANZ) lost 3.9% to $26.43, while Macquarie Group (ASX:MQG) fell 3.6% to $120.16 as the two banks traded ex-dividend.
Commonwealth Bank (ASX:CBA) shares dropped 2.5% to $73.50 after the lender said it had set aside another $714 million in the third quarter for customer remediation.
Fewer than anticipated burst pipes
Shares in Reliance Worldwide Corporation (ASX:RWC) fell 15.6% to $3.89 after the company downgraded its full year earnings guidance.
The plumbing supply firm is now expecting an FY19 EBITDA of between $260-270 million due to fewer than anticipated burst pipes during the US winter.
M&A
Dairy cooperative Fonterra (ASX:FSF) has sold New Zealand ice cream brand Tip Top to global giant Froneri for NZ$380 million.
In upcoming economic news, US data on consumer inflation expectations will be released.