Stocks to watch at noon on Tuesday

Reported by AAP

Infigen Energy,Alesco Corporation,Aquila Resources,Aristocrat Leisure,Arrow Energy,Asx,Atlas Iron,Austar United Communications,Australia And New Zealand Banking,Australian Agricultural Company.,Australian Infrastructure Fund,Beach Petroleum,Bhp Billiton,Billabong International,Bluescope Steel,Boart Longyear,Boral.,Bradken,Cfs Retail Property ,Challenger Financial Services,Charter Hall,Coca-Cola Amatil,Cochlear,Commonwealth Bank Of Australia.,Consolidated Media Holdings.,Crane,Csl,Downer Edi,Emeco Holdings,Energy Resources Of Australia,Extract Resources ,Fairfax Media,Flight Centre,Fortescue Metals ,Foster'S,G.U.D. Holdings,Goodman Fielder.,Goodman,Gpt,Gunns,Harvey Norman Holdings,Hills Industries,Insurance Australia,Invocare,Iress Market Technology,James Hardie Industries N.V.,Leighton Holdings,Lend Lease Corporation,Linc Energy ,Lynas Corporation,Macarthur Coal,Macmahon Holdings,Macquarie Airports,Macquarie,Metcash,Mirvac,Monadelphous,National Australia Bank,Newcrest Mining,News Corporation,Nufarm,Oil Search,Om Holdings,Onesteel,Orica,Origin Energy,Oz Minerals,Pacific Brands,Paladin Energy ,Panaust,Pmp,Qantas Airways,Qbe Insurance,Ramsay Health Care,Resmed Inc,Rio Tinto,Singapore Telecommunications.,Sonic Healthcare,Spotless,Stockland,Sundance Resources,Sunland,Tabcorp Holdings,Telstra Corporation.,Toll Holdings,Transfield Services,Transurban,Virgin Blue Holdings,Wesfarmers,Western Areas Nl,Westfield,Westpac Banking Corporation,Woodside Petroleum,Woolworths,Wotif.Com Holdings,Alcoa Inc.,Australian Pharmaceutical Industries Limited,Boom Logistics Limited,Breville Group Limited,Brickworks Limited,Brisbane Broncos Limited,Campbell Brothers Limited,Cape Lambert Resources Limited,Cardno Limited,Carsales.Com Limited,Centro Properties Group.,Centro Retail Group,Charter Hall Retail Reit,Clean Seas Tuna Limited,Cmi Limited.,Cromwell Group,Dampier Gold Limited,Duluxgroup Limited,Eureka Energy Limited,Fantastic Holdings Limited,Gloucester Coal Ltd,Graincorp Limited,Gwa Group Limited.,Heritage Gold Nz Limited,Iinet Limited,Industrea Limited,Ironclad Mining Limited,Itl Limited,Kagara Ltd,Kimberley Metals Limited,Liquefied Natural Gas Limited,Mcmillan Shakespeare Limited,Melbourne It Limited,National Hire Group Limited,Navitas Limited,New Hope Corporation Limited,Norton Gold Fields Limited,Poseidon Nickel Limited,Premier Investments Limited,Ramelius Resources Limited,Resolute Mining Limited,Service Stream Limited,Seven Group Holdings Limited,Skilled Group Limited,Slater & Gordon Limited,Southern Cross Media Group Limited,Super Cheap Auto Group Limited,Superwoman Group Limited,Thakral Holdings Group,Thorn Group Limited,Tpg Telecom Limited,Vdm Group Limited,Wilson Htm Investment Group Ltd

Stocks to watch on the Australian stock exchange at noon on Tuesday, May 22

BLD - BORAL - up 1.5 cents, or 0.42 per cent, to $3.58

Shares in building products maker Boral have slipped after the surprise stepping down of its chief executive.

GNC - GRAINCORP - up 62 cents, or 6.97 per cent, to $9.51

Shares in GrainCorp have risen more than seven per cent after the grains marketer and malt producer lifted first half profit by more than 50 per cent and upgraded its full year forecast.

LEI - LEIGHTON HOLDINGS - up 48 cents, or 2.78 per cent to $17.77

Global construction group Leighton Holdings says it is on track to report a full year profit of between $400 million and $450 million.

QAN - QANTAS - up 1.25 cents, or 0.87 per cent to $1.44

Qantas Airways is splitting its international and domestic operations into two separate businesses from July.

TGA - THORN GROUP - up 7.5 cents, or 5.3 per cent, to $1.49

Thorn Group's full year net profit has risen 26.4 per cent, but market factors could cause a slowdown in the rate of growth in fiscal 2013.

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