Stocks to watch on the Australian stock exchange at noon on Wednesday:
BHP - BHP BILLITON - up 23 cents, or 0.63 per cent, at $36.68
Potash Corp is cutting more than 1,000 jobs, about 18 per cent of its workforce, because of slumping demand for potash and phosphate, two key fertiliser ingredients.
DSH - SICK SMITH HOLDINGS - up 7.00 cents, or 3.18 per cent, at $2.27
Dick Smith Holdings lists on the stock exchange.
SPC - SPC ARDMONA - steady, at 0.035 cents
CCL - COCA-COLA AMATIL - down 12 cents, or 0.98 per cent, at $12.15
The federal government has appointed former Labor industry minister Greg Combet to a high-level panel that will advise it on assistance for SPC Ardmona.
STO - SANTOS - down 21 cents, or 1.47 per cent, at $14.09
Santos says it expects to miss this year's production guidance and produce less oil and gas than it did last year.
WBC - WESTPAC BANKING CORPORATION - down 16 cents, or 0.5 per cent, at $32.14
The competition watchdog has approved Westpac's proposed $1.45 billion acquisition of some of the assets of Lloyds Banking Group.
WDC - WESTFIELD GROUP - up 54 cents, or 5.21 per cent, at $10.90
WRT - WESTFIELD RETAIL TRUST - up 5.5 cents, or 1.83 per cent, at $3.055
Shopping centre giant Westfield Group will split its Australian and New Zealand assets from its international business as it continues to pursue growth overseas.