Stocks to watch on the Australian stock exchange at noon on Thursday:
ABC - ADELAIDE BRIGHTON - up 23 cents, or 5.91 per cent, at $4.12
Construction materials group Adelaide Brighton expects prices and sales to increase this year after it notched up a record full year profit.
ASL - AUSDRILL - up 0.5 cents, or 1.28 per cent, at 39.5 cents
Ausdrill has posted a $177.4 million half year loss after the downturn in mining investment led to a string of asset writedowns
AWC - ALUMINA - down 7.00 cents, or 3.77 per cent, at $1.785
Alumina Ltd has slumped to a $US98.3 million ($A124.56 million) full year net loss after paying for a range of restructuring costs including closing the Port Henry Smelter in Victoria.
BBG - BILLABONG INTERNATIONAL - down 2.25 cents, or 3.52 per cent, at 61.75 cents
Surfwear retailer Billabong has posted a profit for the first time in three years.
FAN - FANTASTIC HOLDINGS - up 14 cents, or 6.80 per cent, at $2.20
Furniture retailer Fantastic has issued a special dividend after lifting its half year profit 43 per cent.
NEC - NINE ENTERTAINMENT - up 18.5 cents, or 9.97 per cent, at $2.04
Nine Entertainment has tripled its first half profit and announced a $150 million share buyback.
PPT - PERPETUAL - down $1.465, or 2.67 per cent, at $53.365
Fund manager Perpetual has lifted its dividend to shareholders after a 76 per cent increase in its half year profit.
QAN - QANTAS AIRWAYS - up 13.5 cents, or 4.80 per cent, at $2.945
Qantas has swung back into profit, beating its own forecasts and bouncing back from losses of almost $3 billion.
RHC - RAMSAY HEALTHCARE - up $3.41, or 5.32 per cent, at $67.51
Private hospitals operator Ramsay Health Care has lifted its forecast for full year earnings after increasing its interim profit by more than a fifth.
SYD - SYDNEY AIRPORT - down 19 cents, or 3.67 per cent, at $4.99
Sydney Airport has returned to profit and announced chairman Max Moore Wilton will step down from his post.