Stocks to watch at noon on Thursday September 5, 2013 - 12:06PM Stocks to watch on the Australian stock exchange at noon on Thursday: NCM - NEWCREST MINING - down 10 cents, or 0.75 per cent, at $13.30 An internal review of Newcrest Mining's continuous disclosure practices has failed to find a smoking gun implicating the miner over the recent controversy. NWS - NEWS CORP - up 8.00 cents, or 0.46 per cent, at $17.58 Air New Zealand has received approval to lift its stake in airline Virgin Australia by an extra six per cent.