Stocks to watch on the Australian stock exchange at noon on Thursday:
ALZ - AUSTRALAND - up one cent or 0.29 per cent to $3.45
Property group Australand's major shareholder is reviewing its investment in the company.
MAH - MACMAHON HOLDINGS - up 0.5 cents or 1.8 per cent to 28 cents.
India-owned Sembawang Australia has stepped up its efforts to buy the construction business operated by MacMahon Holdings, offering $5 million more than a current takeover agreement.