Stocks to watch on the Australian stock exchange at noon on Wednesday:
AZJ - AURIZON - up 2.5 cents, or 0.51 per cent, at $4.905
Australia's largest rail freight operator Aurizon has stood down some workers because of last week's NSW storms has closed some rail lines.
IAG - INSURANCE AUSTRALIA GROUP - down 20.5 cents, or 3.4 per cent, at $5.685
Insurance Australia Group has lowered its full year profit guidance after taking a $250 million hit from recent storms in New South Wales.
NAB - NATIONAL AUSTRALIA BANK - down 63.0 cents, or 1.64 per cent, at $37.75
National Australia Bank will sell 18 million shares in its US subsidiary Great Western Bancorp, reducing its stake to just over a third.
REC - RECALL HOLDINGS - up 5.0 cents, or 0.66 per cent, at $7.67
Recall Holdings has recommended shareholders accept a $2.7 billion takeover offer that would bring the data management's short tenure as a stand-alone company to an end.
SGM - SIMS METAL MANAGEMENT - down 80.0 cents, or 6.93 per cent, at $10.75
Sims Metal has forecast flat sales for the second half of the financial year as the world's biggest scrap metal recycler battles a steep sales slide.
SWM - SEVEN WEST MEDIA - in a trading halt, last traded at $1.36
Shares in Seven West Media have been placed in a trading halt ahead of the announcement of a proposed capital raising.
SXY - SENEX ENERGY - down 3.5 cents, or 7.61 per cent, at 42.5 cents
Central Australian-based Senex Energy has further cut spending in response to weak oil prices as sales revenue fell during the March quarter.
WES - WESFARMERS - down 5.0 cents, or 0.12 per cent, at $43.10
Supermarket giant Coles lifted its third quarter sales 5.4 per cent to $7.1 billion, with comparable food and liquor sales up 3.8 per cent.