Stocks to watch

Stocks to watch on the Australian securities exchange:

ABC - ADELAIDE BRIGHTON - up 2.5 cents, or 0.38 per cent, at $6.645

Adelaide Brighton chief executive Martin Brydon has signalled his intention to retire after 30 years with the building materials supplier.

AGO - ATLAS IRON - up 0.1 cents, or 3.12 per cent, at 3.3 cents

Atlas Iron will record a non-cash impairment of up to $100 million in its full-year results after rising costs led to an operating loss in its third quarter.

DLX - DULUXGROUP - down 9.0 cents, or 1.12 per cent, at $7.96

DuluxGroup has lifted first-half profit nine per cent to $79.2 million, with its Australia and New Zealand businesses the standout performers.

STO - SANTOS - down 11 cents, or 1.74 per cent, at $6.21

Santos has received a revised takeover offer from Harbour Energy.

TCL - TRANSURBAN - down 27.5 cents, or 2.38 per cent, at $11.275

The competition watchdog has flagged possible concerns over Transurban's interest in taking a majority stake of Sydney's WestConnex motorway, saying the toll road operator's dominance in NSW could stymie competition in the sector.

TWE - TREASURY WINE ESTATES - down $1.98, or 10.99 per cent, at $16.04

Treasury Wine Estates has tried to downplay a media report its China distributors are sitting on up to three years' worth of low-end stock.

WBC - WESTPAC BANKING CORP - down $1.21 or, 4.01 per cent, at $29.00

The lender is trading ex-dividend.

WTC - WISETECH GLOBAL - down 22 cents, or 1.55 per cent, at $13.97

Software firm Wisetech Global has acquired Turkish logistics provider Ulukom.