The All Ordinaries Index fell 7.5 points to end the day 0.2% lower at 4,403.3.
BHP Billiton Limited (BHP) fell 0.3% to close at $33.16 after reporting underlying EBIT of US$27.2bn in FY12, down 15% on pcp. Attributable profit excluding exceptional items declined by 21% to US$17.1bn.
Coca-Cola Amatil Limited (CCL) gained 0.4% to close at $13.92 after reporting 1H12 underlying NPAT of $247.1m, up 5.6% on the pcp. The company declared a interim dividend of 24cps (ff), up 9.1% on the pcp.