The local currency is slightly weaker ahead of a speech from RBA governor Glenn Stevens on Tuesday morning.
Mining giant BHP Billiton is backing an ASX plan for stricter rules on company earnings guidances, but an investor group has concerns.
Europe's main stock markets have opened higher.
BHP Billiton has been hit with a $522 million bill from the Tax Office, in relation to alleged tax avoidance in Singapore, with investigations continuing.
M2 Group has entered the race to take over fellow internet provider iiNet, setting itself up against rival TPG Telecom.
Caltex's refining margins more than tripled in March as the Lytton refinery benefited from low crude oil prices.
Stocks of interest on the Australian Securities Exchange at close on Monday
Soaring house prices in Sydney and Melbourne are eroding housing affordability, increasing the risk of defaults when interest rates rise.
PanAust has urged shareholders to reject a Chinese company's $1.1b takeover bid for the copper and gold miner, saying it is too low.
One of Metcash's distribution centres on western Sydney has been damaged by wild weather, causing some delivery delays.
MoreNEED TO KNOW TERMS
RESOURCES & OFFERS